Promotion Announcement: Vice President of Client Development

Twining is very excited to announce and congratulate Mariel Attento Rhorer, who has been promoted to Vice President of Client Development. In her new role, she will be overseeing all sales performance across the company and subsidiaries. Mariel first led the expansion of Twining in Sacramento by branding the previously unknown Twining in the region,… Continue Reading

New Twining Location in Ridgecrest!

Twining is excited to announce the opening of our Ridgecrest/China Lake testing laboratory. Our laboratory is located less than one mile from the Main and Sandquist Gates, giving us almost instant access to your project sites. Getting your materials tested has never been easier or most efficient and economical. Through our partnership with the Lancaster… Continue Reading

Profile photo of Edward "Butch" Twining, Jr.

Edward “Butch” Twining, Jr. Announces Semi-Retirement

After a distinguished 42-year tenure with Twining, Inc., the company founded by his great-grandfather, Edward Twining, Jr. is stepping into a semi-retirement role at the close of 2021. Edward’s (“Butch’s”) career witnessed exponential growth of the Long Beach, California-based firm, including the creation of six full-service branches, spanning the state, the acquisition of multiple complementary… Continue Reading

Twining Inland Empire Lab Tour and Seminar

On Thursday, August 26, Twining is excited to announce our second Inland Empire Lab Tour and Seminar. Presented by Amir Ghavibazoo, Director of Asphalt Engineering and Pavement Design, this seminar will cover the best practices in Aspahlt Design and Constructability. You don’t want to miss out, RSVP today as space is limited!


A conversation about how improving gender representation in the workplace benefits everyone and how the AEC industry has evolved regarding women professionals. Until recently, the concept of diversity initiatives has not been a focal point in our industry. This conversation has been steadily gaining ground in our corporate environment. It is clear: improving gender representation… Continue Reading

We Must Do More and Be Better

To everyone in our Twining family: We are all in a time when events are unfolding at a speed we’ve not seen.  What follows are my thoughts on where we’ve been and where we may be headed as a Company. We’ve seen a huge disruption in our business because of a virus that has infected… Continue Reading

Introducing Alejandro Romero

Growing our Inland Empire Family The sense of community in the Inland Empire sets it apart. It’s one of the reasons why so many of our Twining team members call it home and it’s why Twining has had offices here since 2003. We’re excited to introduce the newest team member to the Twining family, Alejandro… Continue Reading

Cross-hole Sonic Logging

Twining now provides structural integrity testing for piles by means of Cross-hole Sonic Logging (CSL). CSL is one of the most common forms of nondestructive testing methods for deep foundation testing. In order to assist owners and contractors, Twining’s professionals can provide testing and comprehensive engineering analysis to determine the quality and consistency of concrete… Continue Reading

The Problem with Guaranteed Maximum Price for Materials Testing and Inspection

Those who seek to erect structures of all types (commercial, residential, institutional, infrastructure) have a clear motivation to minimize costs for the structure and to be able to budget accurately for those costs. Given these facts, it’s understandable that clients and potential clients are attracted to guaranteed maximum price (GMP), lump sum, or fixed fee… Continue Reading