diff --git a/include/WORKSPACE b/include/WORKSPACE
new file mode 100644
index 00000000..544f75ae
--- /dev/null
+++ b/include/WORKSPACE
@@ -0,0 +1,3 @@
+load("@bazel_tools//tools/cpp:cc_configure.bzl", "cc_configure")
+
+cc_configure()
diff --git a/include/parlay/BUILD b/include/parlay/BUILD
new file mode 100644
index 00000000..87d2a4dc
--- /dev/null
+++ b/include/parlay/BUILD
@@ -0,0 +1,214 @@
+licenses(["notice"])
+
+package(
+    default_visibility = ["//visibility:public"],
+)
+
+cc_library(
+    name = "alloc",
+    hdrs = ["alloc.h"],
+    deps = [
+        ":type_traits",
+        ":utilities",
+        "//parlay/internal:block_allocator",
+        "//parlay/internal:memory_size",
+        "//parlay/internal:pool_allocator",
+    ],
+)
+
+cc_library(
+    name = "delayed",
+    hdrs = ["delayed.h"],
+    deps = [
+        ":delayed_sequence",
+        ":range",
+        ":type_traits",
+        "//parlay/internal/delayed:filter",
+        "//parlay/internal/delayed:filter_op",
+        "//parlay/internal/delayed:flatten",
+        "//parlay/internal/delayed:map",
+        "//parlay/internal/delayed:scan",
+        "//parlay/internal/delayed:terminal",
+        "//parlay/internal/delayed:zip",
+        "//parlay/internal:sequence_ops",
+    ],
+)
+
+cc_library(
+    name = "delayed_sequence",
+    hdrs = ["delayed_sequence.h"],
+    deps = [
+        ":utilities",
+    ],
+)
+
+cc_library(
+    name = "hash_table",
+    hdrs = ["hash_table.h"],
+    deps = [
+        ":delayed_sequence",
+        ":monoid",
+        ":parallel",
+        ":primitives",
+        ":sequence",
+        ":slice",
+        ":utilities",
+        "//parlay/internal:sequence_ops",
+    ],
+)
+
+cc_library(
+    name = "io",
+    hdrs = ["io.h"],
+    deps = [
+        ":primitives",
+        ":sequence",
+        ":slice",
+        "//parlay/internal:file_map",
+    ],
+)
+
+cc_library(
+    name = "monoid",
+    hdrs = ["monoid.h"],
+    deps = [
+        ":portability",
+        ":type_traits",
+    ]
+)
+
+cc_library(
+    name = "parallel",
+    hdrs = ["parallel.h"],
+    deps = [
+        ":scheduler",
+        "//parlay/internal/scheduler_plugins:sequential",
+    ],
+)
+
+cc_library(
+    name = "portability",
+    hdrs = ["portability.h"],
+)
+
+cc_library(
+    name = "primitives",
+    hdrs = ["primitives.h"],
+    deps = [
+        ":delayed",
+        ":delayed_sequence",
+        ":monoid",
+        ":parallel",
+        ":random",
+        ":range",
+        ":sequence",
+        ":slice",
+        ":type_traits",
+        ":utilities",
+        "//parlay/internal:block_delayed",
+        "//parlay/internal:collect_reduce",
+        "//parlay/internal:counting_sort",
+        "//parlay/internal:group_by",
+        "//parlay/internal:integer_sort",
+        "//parlay/internal:heap_tree",
+        "//parlay/internal:merge",
+        "//parlay/internal:merge_sort",
+        "//parlay/internal:sample_sort",
+        "//parlay/internal:sequence_ops",
+    ],
+)
+
+cc_library(
+    name = "random",
+    hdrs = ["random.h"],
+    deps = [
+        ":delayed_sequence",
+        ":parallel",
+        ":range",
+        ":sequence",
+        ":slice",
+        ":utilities",
+        "//parlay/internal:counting_sort",
+    ],
+)
+
+cc_library(
+    name = "range",
+    hdrs = ["range.h"],
+    deps = [
+        ":type_traits",
+    ]
+)
+
+cc_library(
+    name = "relocation",
+    hdrs = ["relocation.h"],
+    deps = [
+        ":parallel",
+        ":range",
+        ":type_traits",
+        ":utilities",
+        "//parlay/internal:debug_uninitialized",
+    ]
+)
+
+cc_library(
+    name = "scheduler",
+    hdrs = ["scheduler.h"],
+    deps = [
+        "//parlay/internal:atomic_wait",
+        "//parlay/internal:work_stealing_deque",
+        "//parlay/internal:work_stealing_job",
+    ],
+)
+
+cc_library(
+    name = "sequence",
+    hdrs = ["sequence.h"],
+    deps = [
+        ":alloc",
+        ":parallel",
+        ":range",
+        ":slice",
+        ":type_traits",
+        ":utilities",
+        "//parlay/internal:debug_uninitialized",
+        "//parlay/internal:sequence_base",
+    ],
+)
+
+cc_library(
+    name = "slice",
+    hdrs = ["slice.h"],
+    deps = [
+        ":range",
+    ],
+)
+
+cc_library(
+    name = "thread_specific",
+    hdrs = ["thread_specific.h"],
+    deps = [
+        ":portability",
+        ":range",
+        ":type_traits",
+        "//parlay/internal:thread_id_pool",
+    ],
+)
+
+cc_library(
+    name = "type_traits",
+    hdrs = ["type_traits.h"],
+)
+
+cc_library(
+    name = "utilities",
+    hdrs = ["utilities.h"],
+    deps = [
+        ":parallel",
+        ":portability",
+        ":range",
+        ":type_traits",
+        "//parlay/internal:debug_uninitialized",
+    ],
+)
diff --git a/include/parlay/internal/BUILD b/include/parlay/internal/BUILD
new file mode 100644
index 00000000..beadba61
--- /dev/null
+++ b/include/parlay/internal/BUILD
@@ -0,0 +1,319 @@
+licenses(["notice"])
+
+package(
+    default_visibility = ["//visibility:public"],
+)
+
+cc_library(
+    name = "atomic_wait",
+    hdrs = ["atomic_wait.h"],
+    deps = [
+        "//parlay:type_traits",
+    ],
+)
+
+cc_library(
+    name = "binary_search",
+    hdrs = ["binary_search.h"],
+)
+
+cc_library(
+    name = "block_allocator",
+    hdrs = ["block_allocator.h"],
+    deps = [
+        ":memory_size",
+        "//parlay:utilities",
+        "//parlay:thread_specific",
+        "//parlay/internal/concurrency:hazptr_stack",
+    ],
+)
+
+cc_library(
+    name = "block_delayed",
+    hdrs = ["block_delayed.h"],
+    deps = [
+        ":get_time",
+        ":sequence_ops",
+        ":stream_delayed",
+        "//parlay:delayed_sequence",
+        "//parlay:monoid",
+        "//parlay:parallel",
+        "//parlay:sequence",
+        "//parlay:slice",
+    ],
+)
+
+cc_library(
+    name = "bucket_sort",
+    hdrs = ["bucket_sort.h"],
+    deps = [
+        ":merge_sort",
+        ":quicksort",
+        ":uninitialized_sequence",
+        "//parlay:parallel",
+        "//parlay:relocation",
+        "//parlay:sequence",
+        "//parlay:slice",
+        "//parlay:utilities",
+    ],
+)
+
+cc_library(
+    name = "collect_reduce",
+    hdrs = ["collect_reduce.h"],
+    deps = [
+        ":counting_sort",
+        ":get_time",
+        ":integer_sort",
+        ":sequence_ops",
+        ":uninitialized_sequence",
+        "//parlay:parallel",
+        "//parlay:sequence",
+        "//parlay:slice",
+        "//parlay:utilities",
+    ],
+)
+
+cc_library(
+    name = "counting_sort",
+    hdrs = ["counting_sort.h"],
+    deps = [
+        ":sequence_ops",
+        ":uninitialized_sequence",
+        "//parlay:monoid",
+        "//parlay:parallel",
+        "//parlay:relocation",
+        "//parlay:sequence",
+        "//parlay:slice",
+        "//parlay:utilities",
+    ],
+)
+
+cc_library(
+    name = "debug_uninitialized",
+    hdrs = ["debug_uninitialized.h"],
+)
+
+cc_library(
+    name = "file_map",
+    hdrs = ["file_map.h"],
+    deps = [
+        "//parlay/internal/posix:file_map_impl_posix",
+    ],
+)
+
+cc_library(
+    name = "get_time",
+    hdrs = ["get_time.h"],
+    deps = [],
+)
+
+cc_library(
+    name = "group_by",
+    hdrs = ["group_by.h"],
+    deps = [
+        ":block_delayed",
+        ":collect_reduce",
+        ":counting_sort",
+        ":integer_sort",
+        ":sample_sort",
+        ":sequence_ops",
+        "//parlay:monoid",
+        "//parlay:parallel",
+        "//parlay:range",
+        "//parlay:sequence",
+        "//parlay:slice",
+        "//parlay:utilities",
+    ],
+)
+
+cc_library(
+    name = "heap_tree",
+    hdrs = ["heap_tree.h"],
+    deps = [
+        "//parlay:sequence",
+        "//parlay:utilities",
+    ],
+)
+
+cc_library(
+    name = "integer_sort",
+    hdrs = ["integer_sort.h"],
+    deps = [
+        ":counting_sort",
+        ":get_time",
+        ":sequence_ops",
+        ":uninitialized_sequence",
+        "//parlay:delayed_sequence",
+        "//parlay:monoid",
+        "//parlay:parallel",
+        "//parlay:range",
+        "//parlay:relocation",
+        "//parlay:sequence",
+        "//parlay:slice",
+        "//parlay:utilities",
+    ],
+)
+
+cc_library(
+    name = "memory_size",
+    hdrs = ["memory_size.h"],
+)
+
+cc_library(
+    name = "merge",
+    hdrs = ["merge.h"],
+    deps = [
+        ":binary_search",
+        "//parlay:sequence",
+        "//parlay:utilities",
+    ],
+)
+
+cc_library(
+    name = "merge_sort",
+    hdrs = ["merge_sort.h"],
+    deps = [
+        ":merge",
+        ":quicksort",
+        ":uninitialized_sequence",
+        "//parlay:utilities",
+    ],
+)
+
+cc_library(
+    name = "pool_allocator",
+    hdrs = ["pool_allocator.h"],
+    deps = [
+        ":block_allocator",
+        "//parlay/internal/concurrency:hazptr_stack",
+        "//parlay:portability",
+        "//parlay:utilities",
+    ],
+)
+
+cc_library(
+    name = "quicksort",
+    hdrs = ["quicksort.h"],
+    deps = [
+        ":counting_sort",
+        ":sequence_ops",
+        ":uninitialized_sequence",
+        ":uninitialized_storage",
+        "//parlay:utilities",
+    ],
+)
+
+cc_library(
+    name = "sample_sort",
+    hdrs = ["sample_sort.h"],
+    deps = [
+        ":bucket_sort",
+        ":quicksort",
+        ":sequence_ops",
+        ":transpose",
+        ":uninitialized_sequence",
+        "//parlay:delayed_sequence",
+        "//parlay:parallel",
+        "//parlay:relocation",
+        "//parlay:sequence",
+        "//parlay:slice",
+        "//parlay:utilities",
+    ],
+)
+
+cc_library(
+    name = "sequence_base",
+    hdrs = ["sequence_base.h"],
+    deps = [
+        "//parlay:parallel",
+        "//parlay:portability",
+        "//parlay:relocation",
+        "//parlay:type_traits",
+        "//parlay/internal:debug_uninitialized",
+    ],
+)
+
+cc_library(
+    name = "sequence_ops",
+    hdrs = ["sequence_ops.h"],
+    deps = [
+        "//parlay:delayed_sequence",
+        "//parlay:monoid",
+        "//parlay:parallel",
+        "//parlay:range",
+        "//parlay:sequence",
+        "//parlay:slice",
+        "//parlay:utilities",
+    ],
+)
+
+cc_library(
+    name = "stream_delayed",
+    hdrs = ["stream_delayed.h"],
+    deps = [
+        ":uninitialized_sequence",
+        "//parlay:sequence",
+        "//parlay:utilities",
+    ],
+)
+
+cc_library(
+    name = "thread_id_pool",
+    hdrs = ["thread_id_pool.h"],
+    deps = [
+    ],
+)
+
+cc_library(
+    name = "transpose",
+    hdrs = ["transpose.h"],
+    deps = [
+        ":sequence_ops",
+        "//parlay:monoid",
+        "//parlay:parallel",
+        "//parlay:sequence",
+        "//parlay:slice",
+        "//parlay:utilities",
+    ],
+)
+
+cc_library(
+    name = "uninitialized_iterator",
+    hdrs = ["uninitialized_iterator.h"],
+    deps = [
+        "//parlay:range",
+        "//parlay:type_traits",
+    ],
+)
+
+cc_library(
+    name = "uninitialized_sequence",
+    hdrs = ["uninitialized_sequence.h"],
+    deps = [
+        ":debug_uninitialized",
+        "//parlay:alloc",
+        "//parlay:portability",
+    ],
+)
+
+cc_library(
+    name = "uninitialized_storage",
+    hdrs = ["uninitialized_storage.h"],
+    deps = [
+        ":debug_uninitialized",
+    ],
+)
+
+cc_library(
+    name = "work_stealing_deque",
+    hdrs = ["work_stealing_deque.h"],
+)
+
+cc_library(
+    name = "work_stealing_job",
+    hdrs = ["work_stealing_job.h"],
+    deps = [
+        ":atomic_wait",
+    ],
+)
diff --git a/include/parlay/internal/bucket_sort.h b/include/parlay/internal/bucket_sort.h
index 8700fe52..18adf204 100644
--- a/include/parlay/internal/bucket_sort.h
+++ b/include/parlay/internal/bucket_sort.h
@@ -7,6 +7,7 @@
 
 #include <limits>
 
+
 #include "merge_sort.h"
 #include "quicksort.h"
 
diff --git a/include/parlay/internal/concurrency/BUILD b/include/parlay/internal/concurrency/BUILD
new file mode 100644
index 00000000..26a87d0c
--- /dev/null
+++ b/include/parlay/internal/concurrency/BUILD
@@ -0,0 +1,22 @@
+licenses(["notice"])
+
+package(
+    default_visibility = ["//visibility:public"],
+)
+
+cc_library(
+    name = "acquire_retire",
+    hdrs = ["acquire_retire.h"],
+    deps = [
+        "//parlay:portability",
+        "//parlay:thread_specific",
+    ],
+)
+
+cc_library(
+    name = "hazptr_stack",
+    hdrs = ["hazptr_stack.h"],
+    deps = [
+        ":acquire_retire",
+    ],
+)
diff --git a/include/parlay/internal/debug_uninitialized.h b/include/parlay/internal/debug_uninitialized.h
index e061f544..5fc976e0 100644
--- a/include/parlay/internal/debug_uninitialized.h
+++ b/include/parlay/internal/debug_uninitialized.h
@@ -1,6 +1,7 @@
 #ifndef PARLAY_INTERNAL_DEBUG_UNINITIALIZED_H_
 #define PARLAY_INTERNAL_DEBUG_UNINITIALIZED_H_
 
+#include <cassert>
 #include <type_traits>
 
 namespace parlay {
diff --git a/include/parlay/internal/delayed/BUILD b/include/parlay/internal/delayed/BUILD
new file mode 100644
index 00000000..7dbb9cac
--- /dev/null
+++ b/include/parlay/internal/delayed/BUILD
@@ -0,0 +1,115 @@
+licenses(["notice"])
+
+package(
+    default_visibility = ["//visibility:public"],
+)
+
+cc_library(
+    name = "common",
+    hdrs = ["common.h"],
+    deps = [
+        "//parlay:range",
+    ],
+)
+
+cc_library(
+    name = "filter",
+    hdrs = ["filter.h"],
+    deps = [
+        ":common",
+        ":flatten",
+        ":map",
+        "//parlay:range",
+        "//parlay:relocation",
+        "//parlay:sequence",
+        "//parlay:utilities",
+        "//parlay/internal:sequence_ops",
+        "//parlay/internal:uninitialized_sequence",
+    ],
+)
+
+cc_library(
+    name = "filter_op",
+    hdrs = ["filter_op.h"],
+    deps = [
+        ":common",
+        ":flatten",
+        "//parlay:range",
+        "//parlay:relocation",
+        "//parlay:sequence",
+        "//parlay:utilities",
+        "//parlay/internal:sequence_ops",
+        "//parlay/internal:uninitialized_sequence",
+    ],
+)
+
+cc_library(
+    name = "flatten",
+    hdrs = ["flatten.h"],
+    deps = [
+        ":common",
+        ":map",
+        ":terminal",
+        "//parlay:monoid",
+        "//parlay:parallel",
+        "//parlay:range",
+        "//parlay:sequence",
+        "//parlay:slice",
+        "//parlay:type_traits",
+        "//parlay:utilities",
+        "//parlay/internal:sequence_ops",
+    ],
+)
+
+cc_library(
+    name = "map",
+    hdrs = ["map.h"],
+    deps = [
+        ":common",
+        "//parlay:range",
+        "//parlay:type_traits",
+        "//parlay:utilities",
+        "//parlay/internal:sequence_ops",
+    ],
+)
+
+cc_library(
+    name = "scan",
+    hdrs = ["scan.h"],
+    deps = [
+        ":common",
+        "//parlay:monoid",
+        "//parlay:parallel",
+        "//parlay:range",
+        "//parlay:sequence",
+        "//parlay:slice",
+        "//parlay:type_traits",
+        "//parlay:utilities",
+        "//parlay/internal:sequence_ops",
+    ],
+)
+
+cc_library(
+    name = "terminal",
+    hdrs = ["terminal.h"],
+    deps = [
+        ":common",
+        "//parlay:monoid",
+        "//parlay:parallel",
+        "//parlay:range",
+        "//parlay:sequence",
+        "//parlay:slice",
+        "//parlay/internal:sequence_ops",
+    ],
+)
+
+cc_library(
+    name = "zip",
+    hdrs = ["zip.h"],
+    deps = [
+        ":common",
+        "//parlay:range",
+        "//parlay:type_traits",
+        "//parlay/internal:sequence_ops",
+    ],
+)
diff --git a/include/parlay/internal/file_map.h b/include/parlay/internal/file_map.h
index 5f69a3c7..3524414e 100644
--- a/include/parlay/internal/file_map.h
+++ b/include/parlay/internal/file_map.h
@@ -26,7 +26,6 @@
 #if defined(PARLAY_NO_FILE_MAP) || defined(PARLAY_USE_FALLBACK_FILE_MAP)
 
 #include <cassert>
-
 #include <fstream>
 #include <string>
 
diff --git a/include/parlay/internal/posix/BUILD b/include/parlay/internal/posix/BUILD
new file mode 100644
index 00000000..ec8d28bd
--- /dev/null
+++ b/include/parlay/internal/posix/BUILD
@@ -0,0 +1,10 @@
+licenses(["notice"])
+
+package(
+    default_visibility = ["//visibility:public"],
+)
+
+cc_library(
+    name = "file_map_impl_posix",
+    hdrs = ["file_map_impl_posix.h"],
+)
diff --git a/include/parlay/internal/scheduler_plugins/BUILD b/include/parlay/internal/scheduler_plugins/BUILD
new file mode 100644
index 00000000..3ee90a1c
--- /dev/null
+++ b/include/parlay/internal/scheduler_plugins/BUILD
@@ -0,0 +1,10 @@
+licenses(["notice"])
+
+package(
+    default_visibility = ["//visibility:public"],
+)
+
+cc_library(
+    name = "sequential",
+    hdrs = ["sequential.h"],
+)
diff --git a/include/parlay/internal/scheduler_plugins/sequential.h b/include/parlay/internal/scheduler_plugins/sequential.h
index 20e9b4d4..0227a5dc 100644
--- a/include/parlay/internal/scheduler_plugins/sequential.h
+++ b/include/parlay/internal/scheduler_plugins/sequential.h
@@ -2,6 +2,7 @@
 #define PARLAY_INTERNAL_SCHEDULER_PLUGINS_SEQUENTIAL_H_
 
 #include <cstddef>
+#include <utility>
 
 #include <functional>
 #include <utility>
diff --git a/include/parlay/internal/windows/BUILD b/include/parlay/internal/windows/BUILD
new file mode 100644
index 00000000..bb7a41a2
--- /dev/null
+++ b/include/parlay/internal/windows/BUILD
@@ -0,0 +1,5 @@
+licenses(["notice"])
+
+package(
+    default_visibility = ["//visibility:public"],
+)