| company | role | hq | verified |
|---|
| Ocean Accessories (Ships & Services Nationwide) oceanmark.com | DIST | Guilford, CT (US) | 1 mfrs |
| Oliveira Brothers Materials Inc oliveirabrothersmaterials.com | DIST | East Freetown, MA (US) | 1 mfrs |
| OMNIS PANELS (Distributes SikaTack Panel System Only) omnispanels.com | DIST | Naperville, IL (US) | 1 mfrs |
| Overland Ready Mix | DIST | York, NE (US) | 1 mfrs |
| OZARK BUILDING MATERIALS | DIST | St. Louis, MO (US) | 1 mfrs |
| Pacific American Lumber pacamlumber.com | DIST | Honolulu, HI (US) | 1 mfrs |
| PACIFIC CONTR SPLY | DIST | Pearl City, HI (US) | 1 mfrs |
| Pacific Putty | DIST | Portland, OR (US) | 1 mfrs |
| Park Ave Building Supply | DIST | Brooklyn, NY (US) | 1 mfrs |
| PELICAN (AKA CASCO) | DIST | — (US) | 1 mfrs |
| PETE'S CONCRETE AND SUPPLY | DIST | Russellville, KY (US) | 1 mfrs |
| PHIPPS, CHAS E | DIST | Cleveland, OH (US) | 1 mfrs |
| PIERCE CONCRETE SUPPLIES INC | DIST | Nampa, ID (US) | 1 mfrs |
| Pioneer Masonary Supply | DIST | Parkersburg, WV (US) | 1 mfrs |
| Planet Hardwood planethardwood.com | DIST | St George, VT (US) | 1 mfrs |
| Polar Supply-Anchorage polarsupply.com | DIST | Anchorage, AK (US) | 1 mfrs |
| POLAR SUPPLY COMPANY | DIST | — (US) | 1 mfrs |
| Pro Construction Products Llc | DIST | Wichita, KS (US) | 1 mfrs |
| PROFESSIONAL CONCR ACCESSORY SRVC | DIST | — (US) | 1 mfrs |
| Puremex LLC | DIST | Houston, TX (US) | 1 mfrs |