Data compiled by Redley Lamar · ChainSifter Intelligence
3Suppliers
3Customers
1Debt Items
0Related Chains
Source-Backed Evidence Depth
Builders FirstSource, Inc. (BLDR) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.
8Total relationships
1Distinct source URLs
6High confidence
0.824Average confidence
2026-09-13Latest database update
ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.
Builders FirstSource, Inc. Suppliers
Ticker
Name
Confidence
Evidence
ALPINE-LUMBER-COMPANY
ALPINE-LUMBER-COMPANY
90%
In the first three months of 2025, we completed the acquisitions of Alpine Lumber Company and O.C. Cluss Lumber Company for a combined total of approximately $828.0 million, net of cash acquired.
O-C-CLUSS-LUMBER-COMPANY
O-C-CLUSS-LUMBER-COMPANY
90%
In the first three months of 2025, we completed the acquisitions of Alpine Lumber Company and O.C. Cluss Lumber Company for a combined total of approximately $828.0 million, net of cash acquired.
PREMIUM-BUILDING-COMPONENTS
PREMIUM-BUILDING-COMPONENTS
90%
In the first three months of 2025, we completed the acquisitions of Alpine Lumber Company and O.C. Cluss Lumber Company for a combined total of approximately $828.0 million, net of cash acquired.
Builders FirstSource, Inc. Customers
Ticker
Name
Confidence
Evidence
ALPINE-LUMBER-COMPANY
ALPINE-LUMBER-COMPANY
85%
ts (“PBC”) for approximately $ 13.0 million , net of cash acquired. PBC is based in New York and supplies trusses and wall panels to customers from western New York to Maine and Delaware. During the …
O-C-CLUSS-LUMBER-COMPANY
O-C-CLUSS-LUMBER-COMPANY
62%
ts (“PBC”) for approximately $ 13.0 million , net of cash acquired. PBC is based in New York and supplies trusses and wall panels to customers from western New York to Maine and Delaware. During the …
PRESENTATION-BUILDERS-FIRSTSOURCE-INC
PRESENTATION-BUILDERS-FIRSTSOURCE-INC
62%
ions 2 — 21 — 21 Shares withheld for restricted stock units vested ( 127 ) ( 1 ) ( 11,392 ) — ( 11,393 ) Net loss — — — ( 47,414 ) ( 47,414 ) Balance at March 31, 2026 107,518 $ 1,075 $ 4,003,145 $ —…
Builders FirstSource, Inc. Debt Obligations
Instrument
Description
Confidence
Evidence
BLDR-DEBT
Debt stack $408.9M
90%
Market cache reports total debt of $408.9M.
Builders FirstSource, Inc. Acquisitions
No acquisitions on recordNo completed or pending acquisitions found in our database for Builders FirstSource, Inc..
Builders FirstSource, Inc. Ownership
Holder
Name
Confidence
Evidence
BLDR-OWNER-BLACKROCK-INC
Blackrock Inc.
90%
13F overlay lists Blackrock Inc. as top holder; 10 tracked holders.
Builders FirstSource, Inc. Extended Supply Chain Network
No secondary connectionsNo correlated companies found through shared supply chain relationships.
