About 2N

Our Story

We deliver specialized design and commissioning services for electrical and mechanical systems supporting hyperscale data centers and other mission critical facilities, complemented by QA/QC solutions that ensure peak reliability and performance from construction through handover.

Our team of highly trained engineers and staff ensures meticulous attention to detail, delivering a seamless turnover at the completion of construction.

Who we are

An engineer-led commissioning authority, principal involved on every project.

Credentials

Our credentials.

Independent commissioning is a role owners are entitled to verify. The following can be checked against the issuing body directly.

ACG member firm

2N Mission Critical Corp is a listed member firm of the AABC Commissioning Group, the certifying body for independent commissioning authorities.

ACG US member directory

CxA certified

Freddy A. Lee is listed in the ACG directory as a Certified Commissioning Authority (CxA), the credential owner specifications commonly require of a commissioning provider.

ACG US member directory

Independent of design and install

We are engaged by the owner and we install nothing. With no equipment line, no installation arm and no design fee involved, our verification carries no conflict of interest.

Leadership

Leadership.

Founders Freddy Lee and Antwan Durham bring over 20 years of combined experience in electrical and mechanical design, commissioning, and project management for mission critical and hyperscale data center environments. Their expertise spans every phase, from design and analysis to functional testing and system turnover, ensuring reliability and performance at the highest level.

Freddy Lee

Electrical

Electrical Engineer, Co-Founder

Over ten years in the design and commissioning of electrical systems across mission critical facilities, retail, high-rise residential, healthcare, senior living and assisted living environments.

Factory witness testing and power system design
Short circuit analyses, breaker coordination and arc flash studies
Power, lighting and grounding design for Tier II, III and IV infrastructure

BS Electrical Engineering, Southern Polytechnic State University (now Kennesaw State University).

Antwan Durham

Mechanical

Mechanical Engineer, Co-Founder

Over ten years in mechanical design, commissioning and project management, with a primary focus on hyperscale data centers and mission critical environments.

Commissioning from Level 0 through Level 5
CRAHs, CRACs, chillers, fanwalls, mini-split units, ERVs and VAV systems
Mechanical design and project management

BS Mechanical Engineering, Southern Polytechnic State University (now Kennesaw State University). Currently pursuing an MS in Nuclear Engineering.

Both hold engineering degrees from Southern Polytechnic State University (now Kennesaw State University) and lead 2N Mission Critical with a commitment to technical excellence.

How we work

Why choose 2N.

A commissioning authority is engaged to provide the owner with an independent, documented verification of the facility.

Principal level involvement

Both founders are directly involved in the projects we commission. The engineers reviewing your submittals and witnessing your tests are the engineers whose names are on the firm.

Independent of design and construction

As a commissioning authority engaged by the owner, we hold no equipment line, no installation arm and no design fee. Findings are reported without a conflict of interest.

Documented at every stage

Each phase produces a record: the commissioning plan, test scripts, issues log, results and the turnover documentation. The documentation is the deliverable.

Training

They apply the same level of dedication and investment in training to their staff, ensuring every team member upholds the same high standards of quality and performance.

Reach

Deployable anywhere in the world.

Our engineers are highly trained and capable of deploying anywhere in the world to meet client needs.

Speak directly with the engineers who will be on your project.

Start a project