

Triangle Information
Summary
Triangle is a private company. The company currently specializes in the Construction area. Its headquarters is located at Grand Rapids, Michigan, USA. The number of employees ranges from 25 to 100. The annual revenue of Triangle varies between 5.0M and 25M. Total funding of the company - $2M. To connect with Triangle employee register on SignalHire.
Organization Website | triangle-inc.com |
Phone Number | 1-616-453-3950 |
Industries | |
Headquarters Location | 3769 3 Mile Road NW, Grand Rapids, MI, 49534 US |
Employees Size | 100-200 employees |
Specialties | Construction Management, General Contracting, Design Build, Project Planning, Sustainable Building, LEED Consulting |
SIC Code | 7380 |
DMA Code | Grand Rapids Metropolitan Area |
Founded | 1918 |
Estimated Annual Revenue | $5.0M - 25M |
Operating Status | Independent Company |
Estimated Website Traffic
The chart shows a decline in traffic to the triangle-inc.com website. In January, traffic decreased to 3669, compared to 3846 in the previous month. The highest traffic in 2026 was recorded in January, reaching 3669 visits.
Employees Turnover 4 quarter 2025
Number of employees switched from or switched to
Number of employees by department
Length of Employment
Employee tenure at Triangle shows a diverse range of experience levels:
5% have been with the company for less than 1 year5% for 1–2 years7% for 3–4 years5% for 5–7 years7% for 8–10 years71% have over 11 years of service at TriangleEx-employees positions
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