D-30
18 clear company licenses whose first classification is “D-30 — Pile Driving and Pressure Foundation Jacking”.
| Place | Contractor | License | Main classification | Expires |
|---|---|---|---|---|
| Pleasanton, CA | ACCEL CONSTRUCTION INC | 454088 | D-30 — Pile Driving and Pressure Foundation Jacking | Sep 30, 2026 |
| Windsor, CA | BALDRY BROTHERS DRILLING CORNERSTONE DRILLING CORPORATION | 1146083 | D-30 — Pile Driving and Pressure Foundation Jacking | Nov 30, 2027 |
| Camarillo, CA | DRILL JUNKIES INC | 1115091 | D-30 — Pile Driving and Pressure Foundation Jacking | Jan 31, 2028 |
| Sylmar, CA | EMPIRE DRILLING | 1135529 | D-30 — Pile Driving and Pressure Foundation Jacking | Apr 30, 2027 |
| Carlsbad, CA | FOUNDATIONS ON THE LEVEL ISLAND CONSULTANTS INC | 970526 | D-30 — Pile Driving and Pressure Foundation Jacking | Apr 30, 2028 |
| Bellavue, WA | GEOPIER NORTHWEST INC | 1047105 | D-30 — Pile Driving and Pressure Foundation Jacking | Nov 30, 2026 |
| Sausalito, CA | GOLDEN GATE FOUNDATION REPAIR LLC | 1134606 | D-30 — Pile Driving and Pressure Foundation Jacking | Mar 31, 2027 |
| Proberta, CA | LASSEN PILE | 1064353 | D-30 — Pile Driving and Pressure Foundation Jacking | Feb 28, 2027 |
| Petaluma, CA | MERTENS DRILLING | 1073932 | D-30 — Pile Driving and Pressure Foundation Jacking | Nov 30, 2026 |
| Thousand Oaks, CA | R C DRILLING INC | 898874 | D-30 — Pile Driving and Pressure Foundation Jacking | Feb 29, 2028 |
| Menifee, CA | RAMFORCE PILE TECHNOLOGY | 1151223 | D-30 — Pile Driving and Pressure Foundation Jacking | Mar 31, 2028 |
| Magnolia, TX | S&B DRILLING LLC | 1101277 | D-30 — Pile Driving and Pressure Foundation Jacking | Feb 28, 2027 |
| Torrance, CA | STEEL WEST SHORING STEEL WEST USA INC | 1072747 | D-30 — Pile Driving and Pressure Foundation Jacking | Jan 31, 2027 |
| Pueblo West, CO | STRAIGHT LINE PILE DRIVING FOUNDATION SOLUTIONS STRAIGHT LINE FOUNDATION SOLUTIONS INC | 1117762 | D-30 — Pile Driving and Pressure Foundation Jacking | Mar 31, 2028 |
| Golden, CO | SUNFLOW SOLAR STRUCTURES INC | 992324 | D-30 — Pile Driving and Pressure Foundation Jacking | Apr 30, 2028 |
| Gainesville, TX | US HELICALS LLC | 1148385 | D-30 — Pile Driving and Pressure Foundation Jacking | Dec 31, 2027 |
| Rohnert Park, CA | XALOS FOUNDATION SUPPORT INC | 1044468 | D-30 — Pile Driving and Pressure Foundation Jacking | Jun 30, 2028 |
| Torrance, CA | ZEFIRO CORPORATION | 905699 | D-30 — Pile Driving and Pressure Foundation Jacking | Oct 31, 2027 |
Alphabetical order — this site ranks no one. Company licenses with a clear status in the CSLB file of October 1, 2026. Sole owners are not on this site; for today's status and complaints, use the CSLB's Instant License Check. How to read this.