About NNAC, Inc.

NNAC Distinctives

Top level project management and customer service while keeping a “safety first” approach.

About NNAC

NNAC Certifications

SBA Certified 8(a)
Native American
Woman Owned


Founded in 2009 by Regina Lettau, NNAC was formed as a specialty contracting company geared toward serving military installations and federal customers nationwide. Regina grew up in the construction industry amongst family & close friends who taught her firsthand some of the most important values she manages her company by today; respect, integrity, & hard work. Regina’s executive background began in compliance and federal sector construction administration. In early 2011, Regina accepted certification into the SBA 8(a) program as a Native American, Woman-Owned construction firm. Headquartered in North Idaho, NNAC is serving its customers in regions nationwide.


NNAC performs with top level project management and customer service while keeping a “safety first” approach.

Services and Qualifications Include:

General Construction

Construction Management

Remote Site Construction

Architectural & Structural Renovations & Upgrades

Heavy Civil


Self- Performed Work


Safety 1st Commitment

NNAC maintains positive business relationships with their bank and surety companies. NNAC is backed by a federally registered surety company providing a $15M Single / $50M Aggregate Bonding Capacity and a substantial line of credit. NNAC reinvests profits into the company creating robust cash reserve and zero debt.

Registered in SAM & DSBS

$15M Single / $50M Aggregate Bonding Capacity

Primary Duns # 969785778

Our Commitment

NNAC has built a reputation on core values that they bring to every project.

 Our Commitment is to:
  • Provide experienced project understanding of the construction needs and expectations of our customers.
  • Provide reliable insight to every job, ensuring that all completed projects will have a positive impact, improving on the functions, environment, and image of our customer’s facilities.
  • Be your trusted partner with dedication to customer satisfaction.

Our Customers

About NNAC - Our Customers
About NNAC - Our Customers

U.S. Army

U.S. Navy

U.S. Air Force

U.S. Coast Guard

National Guard


General Services Administration (GSA)

National Park Service

U.S. Forest Service

Bureau of Land Management


U.S. Army Corps of Engineers

Idaho Dept. of Health & Welfare


Spokane County

Washington State University

Idaho State University

North Idaho College

Spokane International Airport

Syringa Hospital

State Hospital North (Orofino, Idaho)

NNAC Locations

Our corporate office is located in North Idaho. We have performed work in eight states, as shown on the map. NNAC has successfully completed projects for the Army, Navy, Air National Guard and GSA and is expanding to other strategic locations nationwide.

NNAC Location Map


Employee Hours
Employee Navigator

NNAC, Inc.

3901 N. Schreiber Way
Coeur d’Alene, ID 83815

Phone: 208-635-5400
Fax: 208-635-5401