Twining, Inc.: Detailed Company Information & Corporate Profile
Summary
Twining, Inc., founded in 1898, is headquartered in Long Beach, California, employing 200‑500 professionals and generating annual revenue between $100 million and $500 million.
The firm offers a broad array of construction services, including geotechnical engineering, construction materials testing, construction inspection, construction materials engineering and consulting, special inspection, quality control/quality assurance, SWPPP development, stormwater construction management, forensic evaluation, and commissioning.
Leadership is guided by President Rob Ryan, with Associate Vice Presidents Jennifer Permantier (Marketing Communications) and Max Twining (Structures). Vice Presidents Hesam Sajed (Long Beach Operations) and Amy Owens (Human Resources) oversee operational strategy, while CFO Robert Hathaway directs financial planning, mergers & acquisitions, turnaround initiatives, and process improvements. Marketing proposals are coordinated by Michelle Hejza, Katie Naster, and Nate Rankin.
| Twining, Inc. Website | twininginc.com |
| Industries | |
| Twining, Inc. Headquarters Address | 4811 Airport Plaza Dr, Long Beach, California, 90815 US |
| Company Size | 200-500 employees |
| Specialities & Services | Geotechnical Engineering, Construction Materials Testing, Construction Inspection, Construction Materials Engineering and Consulting, Special Inspection, Quality Control/Quality Assurance, SWPPP Development, Stormwater Construction Management, Forensic Evaluation, Commissioning |
| Founded | 1898 |
| Estimated Annual Revenue | $100M - 500M |
| Updated: | 2026-09-14 |
Estimated Website Traffic
The chart shows a growth in traffic to the twininginc.com website. In August, traffic increased to 1460, compared to 1424 in the previous month. The highest traffic in 2026 was recorded in March, reaching 1938 visits.
Workforce Turnover
Number of employees switched from or switched to
Departmental sample breakdown
Length of Employment
Twining, Inc.'s workforce includes employees across a wide range of tenure levels.
6% have been with the company for 1 to 2 years6% have been with the company for 3 to 4 years11% have been with the company for 5 to 7 years9% have been with the company for 8 to 10 years69% have been with the company for more than 11 years
Companies Similar to Twining, Inc.
Twining, Inc. Corporate Information: FAQ
Data Privacy
GDPR COMPLIANT
SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.
CCPA COMPLIANT
SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.
