GovChime
UEI: SKXTWBL35YE5 • CAGE: 95XG3

EXCEPTIONAL DIFFERENCE LLC (TN)

Registration and award facts

SAM.gov registration as of

Net obligations since FY2022
$1.93M
$1,928,000under this UEI
FY2026 obligations
$240K
$240,000Provisional
Awards and orders
8
with positive net obligations1 IDV vehicle held
Latest action
Sep 9, 2026
SAM.gov registration
Active
Registration expiration date Aug 11, 2027

Registration

Entity structure
Corporate Entity (Not Tax Exempt)
Business start date
Jun 24, 2021 (5 years)
Location
Knoxville, TN
State of incorporation
Tennessee
Purpose of registration
All Awards
Website
exceptionaldifference.com

† FY2026 obligations (provisional; DoD awards signed after Jul 29, 2026 are not yet public).

Contract actions that the Department of Defense both funds and awards are withheld at the source for 90 days, so DoD awards signed after Jul 29, 2026 are not yet public.

All federal contractors in TennesseeHow these figures are built

Source: SAM.gov entity registration and FPDS contract actions recorded under UEI SKXTWBL35YE5. GovChime does not check exclusions.

Performance

Net obligations recorded under this UEI since FY2022. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.

Net obligations by fiscal year of action

  • FY2026: $240,000 (provisional)
  • FY2025: $480,000
  • FY2024: $480,000
  • FY2023: $480,000
  • FY2022: $248,000

Total across 5 fiscal years: $1,928,000

Top awarding agencies

Top awarding sub-agencies

Top NAICS by obligations

Top product and service codes by obligations

  • R425Support- professional: engineering/technical$1,688,000, 87.6%
  • U099Education/training- other$240,000, 12.4%

Capabilities

SBA certifications

  • SBA-Certified Women-Owned Small Business, certified Sep 18, 2023

Business types self-reported in SAM.gov registration:

  • Women-Owned Small Business
  • Women-Owned Business

Federal Capability Statement

We are a boutique consulting firm with extensive expertise in high-stakes, safety-critical, software-intensive engineering systems. Through comprehensive consulting services and best-in-class experiential learning, Exceptional Difference helps to drastically improve the capabilities of individuals, teams, and leaders involved in any aspect of systems engineering, from acquisition through retirement. Our portfolio includes programs that focus on helping individuals and teams meet every deadline with high-quality products and services that will delight customers now and long into the future. Our programs result in less rework, on-time schedules, products/services that are future-proofed, elimination of technical debt, reduced design complexity, and a culture of excellence where everyone has focus to turn over every rock to go faster while still providing exceptional value. This culture also makes it easier to attract and retain top-talent and to minimize the wisdom gap.

Capabilities & Services

Software Engineering
Systems Engineering
Leadership
Executive Leadership
Quality Management
Process Improvement
Strategic Planning
Business Planning
Team Management
Training
Leadership Development
Consulting
Coaching
Mentoring
Management Consulting
Value
Quality
Speed
Planning
Project Management
Design
Technical Debt
Culture Change
Earned Value
Code Review and Inspections
Performance Improvement
Technical Writing
Process Dashboard
Experiential Learning
workforce engineering
organizational effectiveness
professional development
workforce development
engineering training
engineering effectiveness

Contracts

Latest awards and orders

  1. 47QRAA26D009JFederal supply schedule (FSS)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
  2. N6893626P5076Purchase orderDepartment of DefenseDepartment of the NavyLatest action
  3. N6893625P0090Purchase orderDepartment of DefenseDepartment of the NavyLatest action
  4. N0042125P0030Purchase orderDepartment of DefenseDepartment of the NavyLatest action
  5. N0042124P0081Purchase orderDepartment of DefenseDepartment of the NavyLatest action
  6. N6893624P0038Purchase orderDepartment of DefenseDepartment of the NavyLatest action
  7. N0042123P0158Purchase orderDepartment of DefenseDepartment of the NavyLatest action
  8. N6893623P0043Purchase orderDepartment of DefenseDepartment of the NavyLatest action
  9. N6893622P0032Purchase orderDepartment of DefenseDepartment of the NavyLatest action

Contact Info

As of . Source: SAM.gov Points of Contact.

SAM.gov registration for EXCEPTIONAL DIFFERENCE LLC lists a physical address and a separate mailing address, along with 3 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.

Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).

Physical Address

531 S GAY ST APT 1402

KNOXVILLE, TN, 37902

USA

Mailing Address

531 S GAY ST APT 1402

KNOXVILLE, TN, 37902

USA

Government Business Contact

Julia L Mullaney

531 S Gay Street

Apt 1402

Knoxville, TN, 37902

USA

Electronic Business Contact

Julia Mullaney

531 S Gay St.

Apt 1402

Knoxville, TN, 37902

USA

Government Business Alternate Contact

David VanEpps

COO

37569 Lakeshore Drive

Macomb, MI, 48044

USA

Additional Details

As of . Source: SAM.gov Entity Registration.

EXCEPTIONAL DIFFERENCE LLC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires August 11, 2027.

Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.

Compliance & Risk Assessment

Source: SAM.gov FAR responses

Suspension/Debarment Status

SAM.gov registration reports no active exclusion

Public Display

Entity information is publicly displayed

Disaster Relief Registry

Not registered for disaster relief

EDI

Not declared in SAM.gov

Business Structure

Source: SAM.gov
Profit Structure:For Profit Organization
Organization:Limited Liability Company

Registration Details

Source: SAM.gov

Initial Registration

Aug 11, 2026

Last Update

Aug 24, 2026

Registration Activation

Active — Aug 24, 2026

Fiscal Year End

12/31

Country of Incorporation

USA

Congressional District

02

Other contractors in Tennessee with primary NAICS 611430