EarthTech Services · A Pro Line Service company
Underground utility and site electrical.
EarthTech Services builds the underground behind power, communications and lighting, from SRP primary to the last traffic plate, serving the Phoenix metro, Marana, Tucson and Prescott Valley.


AZ ROC license
ROC 331142
KA · Dual engineering
Bonded & insured
$8M / $15M
Single job / aggregate
Safety · EMR / TRIR
0.76 / 0.00
EMR 2026, NCCI verified · TRIR 2025 and 2026 YTD
Serving the Valley since
2019
Where we work
Four Arizona markets.
- Phoenix metro
- Marana
- Tucson
- Prescott Valley
Scopes we bid
From the primary to the patch.
Fourteen scopes, all of them from our own invoices. Send the drawings and we’ll tell you which ones the job needs.

Power
- SRP primary and secondary
- Three-phase transformer pads and pullboxes
- Switch construction
- Splice points
- Service upgrades
- EV charging infrastructure

Joint trench & street lights
- Joint trench with Cox, Lumen and telco
- Street light secondary and foundations

Site work & restoration
- Saw cutting
- Slurry backfill
- Asphalt and concrete repair
- Spoils haul-off
- Traffic plates
- Erosion control
General contractors
Prequalify us in one click.
Enter your email and we’ll send the full packet: everything your prequal portal asks for, current and signed.
- W-9
- Certificate of insurance
- AZ ROC license
- Bonding capacity letter
- Safety program & EMR
- Project references
- Financial statements on request
- Current rate sheet
Request a bid
Send us the drawings.
Send the plans and the bid date. We’ll come back with questions or a number.
- Office
- 4835 E. Indigo St, Ste 102
Mesa, AZ 85205 - Phone
- (480) 840-5534
EarthTech Services is an operating company of Pro Line Service.
About Pro Line Service