Ranked #10 in Boston
One Source Power
Guide Score: 86%
Verified April 18, 2026
One Source Power brings years of professional experience to contracting clients in Boston, MA. Reach them at (617) 272-3059. Visit their website to learn more about their work. Located at 1 Westinghouse Plz Ste D11. Reach them at (617) 272-3059. Visit their website to learn more about their work. Located at 1 Westinghouse Plz Ste D11. Located at 1 Westinghouse Plz Ste D11. Reach them at (617) 272-3059. Visit their website for more details on services and portfolio. The Boston contracting market is competitive, and One Source Power has distinguished themselves through consistent quality and client satisfaction.
How We Scored One Source Power
- Google Rating
- N/A/5 → 0%
- Review Volume
- 0 reviews → 0%
- Credentials
- None listed → 0%
- Press Recognition
- 0 mentions → 0%
- Web Presence
- 100%
- Experience
- N/A → 0%
- Profile Completeness
- 67%
Key facts
- Based in
- Boston, MA
- Address
- 1 Westinghouse Plz Ste D11
- Website
- http://www.ospllc.us
- Phone
- (617) 272-3059
- jcallanan@ospllc.us
- Budget tier
- Contact firm
Frequently asked questions
- What is One Source Power's ranking among general contractors in Boston?
- One Source Power is ranked #10 in Boston with a Guide Score of 86%. This score is based on Google reviews, professional credentials, press recognition, portfolio quality, and experience.
- What services does One Source Power offer?
- One Source Power's specific services are not yet catalogued in our directory. Contact the firm directly for their current service offerings.
- What is One Source Power's typical project cost?
- Cost information for One Source Power is not published in our directory. Contact the firm directly at (617) 272-3059 for a project-specific quote.
- Where is One Source Power located and what areas do they serve?
- One Source Power is based in Boston, MA. Their broader service area is not published; confirm with the firm before engaging for work outside the metro.
- How do I hire One Source Power?
- To hire One Source Power: Visit http://www.ospllc.us to review their work, or call (617) 272-3059, or email jcallanan@ospllc.us. Most contractors ask about scope, timeline, and budget range before scheduling an estimate.