Largo Concrete Inc.
Company Profile
Largo Concrete is one of the nation's leading concrete construction contractors, specializing in multi-level cast-in-place concrete structures and self-performing the full scope of structural concrete work. Founded in 1989 by industry pioneers Harold “Hal” Long and Mark Carnathan, the company combines deep technical expertise with decades of experience in concrete construction, post-tensioning, design-assist, and design-build delivery. Operating throughout the western United States, including Hawaii, Largo is recognized for its ability to execute complex projects safely and efficiently while providing innovative solutions that advance the quality, performance, and constructability of modern concrete structures.
Membership
Member since 2022
Location (View all locations)
2741 Walnut Ave Fl 1
Tustin, California 92780-7037
(714) 731-3600
www.largoconcrete.com
Primary Contact
Dave Tennis
(714) 731-3600
dtennis@largoconcrete.com
Services
Contracting: Tilt-Up Sub, Contracting: Design/Build, Contracting: General, Contracting: Concrete Sub
Representative Work
Participation
- 2026
- Largo Concrete Inc., Sponsor - Tilt-Up Field Summit: Hawaii
Recognition (Professional)
Recognition (Project)
Displaying 0 of 0 award-winning projects.
AREAS OF OPERATION/LICENSURE
While physical office locations are presented below for this company, it is important to understand that many tilt-up professionals work regionally, nationally, even globally. Listed here are this company's areas of operation/licensure.
US States and Territories: Arizona, California, Hawaii, Nevada, Texas, Washington
OFFICE LOCATIONS
Largo Concrete Inc.
2741 Walnut Ave Fl 1
Tustin, California 92780-7037
Phone: (714) 731-3600
Largo Concrete Inc.
891 W Hamilton Ave
Campbell, California, 95008-0402
Phone: (408) 874-2500
Largo Concrete Inc
591 Camino De La Reina Ste 620
San Diego, California, 92108-3108
Phone: (619) 356-2142
Largo Concrete Inc.
2850 W Horizon Ridge Pkwy Ste 200
Henderson, Nevada, 89052-4395
Phone: (702) 754-6622
Largo Concrete Inc.
1524 S Interstate 35 Ste 202
Austin, Texas, 78704-2671
Phone: (512) 765-9364
TILT-UP ACADEMY | PRIVATE CLASSROOM
TCA's Tilt-Up Academy Private Classrooms offer a dedicated selection of continuing education offerings curated for your organization. Access is streamlined for company employees and reports are submitted to employers for goal tracking. For more information on this program, contact the TCA at (319) 360-8738 or email mbloomquist@tilt-up.org.
Tilt-Up Concrete Association (TCA)
PO Box 204
402 1st Avenue SE
Mount Vernon, IA 52314
United States
Connect with Us!
About the Tilt-Up Concrete Association
Founded in 1986, the Tilt-Up Concrete Association (TCA) strives to improve the quality and acceptance of site-cast Tilt-Up construction - one of the fastest growing industries in the United States, combining the advantages of reasonable cost with low maintenance, durability, speed of construction and minimal capital investment. Over 10,000 buildings, enclosing more than 650 million square feet, are constructed each year using this construction method.
Site resources: Accessibility
All content copyright 2026 - Tilt-Up Concrete Association, unless noted otherwise.
Homepage slider image credits: (1) Ryan Goubty | Gensler, (2) Simon Menges | David Chipperfield Architects, (3) Bill Timmerman | richärd+bauer, (4) David Lauer | Semple Brown, (5) Matthew McFarland | Forum Studio.