Mainspring Energy Competitors and Similar CompaniesClear all
Mainspring Energy's competitors and similar companies include Tecogen, MYR Group and CarbonCure Technologies.
 Mainspring Energy Mainspring Energy (formerly known as EtaGen) is a technology company that provides clean energy solutions. |  Tecogen Tecogen is a company that designs, manufactures, markets, installs, and maintains combined heat and power products. |  CarbonCure Technologies CarbonCure Technologies is a company that develops carbon utilization technologies for the concrete industry. | ||
Founding Date | Founding Date 2010 | Founding Date 2000 | Founding Date 1995 | Founding Date 2012 |
Type | Type Private | Type Public | Type Public | Type Private |
Tags | ||||
Locations | Locations Menlo Park, US HQ | Locations North Billerica, US HQ Toronto, CA Portland, US Waltham, US | Locations Dartmouth, CA HQ | |
Employees | Employees 5011% increase | Employees 911% decrease | Employees 8,5006% decrease | Employees 874% decrease |
Valuation ($) | Valuation ($) N/A | Valuation ($) 21.4 m | Valuation ($) 1.9 b | Valuation ($) N/A |
Financial | ||||
Revenue (est.) | Revenue (est.) N/A | Revenue (est.) $27.1m (FY, 2025) | Revenue (est.) $3.7b (FY, 2025) | Revenue (est.) N/A |
Cost of goods | Cost of goods N/A | Cost of goods $17.2m (FY, 2025) | Cost of goods $3.2b (FY, 2025) | Cost of goods N/A |
Gross profit | Gross profit N/A | Gross profit $9.8m (FY, 2025) | Gross profit $423.8m (FY, 2025) | Gross profit N/A |
Net income | Net income N/A | Net income ($8.2m) (FY, 2025) | Net income $118.4m (FY, 2025) | Net income N/A |
Operating ⚠ | ||||
Backlog | Backlog N/A | Backlog $6.7m (FY, 2022) | Backlog $2.4b (Q1, 2024) | Backlog N/A |
Remaining Performance Obligations | Remaining Performance Obligations N/A | Remaining Performance Obligations $1.5m (FY, 2022) | Remaining Performance Obligations $2.2b (Q1, 2024) | Remaining Performance Obligations N/A |
Funding | ||||
Latest funding round | Latest funding round $ 95m (about 5 years ago) | Latest funding round N/A | Latest funding round N/A | Latest funding round $ 1.8m (about 10 years ago) |
Total funding raised | Total funding raised $ 178m | Total funding raised N/A | Total funding raised $ 29.6m | Total funding raised $ 6.9m |
For sources of this data, please see the company profile
View Company Profiles
Tecogen
HQ
North Billerica, US
Employees
91↓ 1% decrease
Tecogen is a company that designs, manufactures, markets, installs, and maintains combined heat and power products.
View company
MYR Group
HQ
Thornton, US
Employees
8,500↓ 6% decrease
MYR Group is an electrical infrastructure contractor that provides construction services.
View companyCarbonCure Technologies
HQ
Dartmouth, CA
Employees
87↓ 4% decrease
CarbonCure Technologies is a company that develops carbon utilization technologies for the concrete industry.
View company