Who We Are Atwell LLC is a bold leader in the consulting engineering and construction services industry delivering a broad range of creative solutions to clients in the real estate & land development and energy markets. We have a strong national presence and a diverse award-winning project portfolio. Atwell is a privately owned company with 2000+ passionate team members across 75+ locations and growing! Atwell LLC is a proud recipient of the following 2025 awards Ten consecutive years in a row as a “Best Place to Work” by Zweig Group (11) Recognized as 70 in the ENR Top 500 Design Firms ranked in every region Recognized in Crain's “Fast 50” as one of the fastest-growing companies (14) Recognized as the … Sign In to View