Lddf, Inc.
Indianapolis, IN Doing business as Applied Instruments
- UEI
- LTWXCK58UTF5
- CAGE
- 1SX90
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
- Corporate family
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- W2R5KMS77K67
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- SAM.gov registration date
- Physical address
- 2431 Directors Row, Indianapolis, IN 46241, USA
- Website
- appliedin.com
- Founded
- 1986
- Employees
- 251-1K
- Estimated annual revenue
- $1M-$10M
- Industry
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- Industrials
- Capital Goods
- Industrial Conglomerates
- Industrials & Manufacturing
- SIC code
- 38 Instruments & Related Products
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | -$5,094 |
| FY2025 | $60,061 |
| FY2024 | $44,450 |
| FY2023 | $287,340 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Navy | $8,045 |
Contract awards
Latest 5 listed here. See the rest on GovTribe.
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About the company
Lddf, Inc., doing business as Applied Instruments and operating under subsidiary names including Tescom, is a for-profit Subchapter S corporation headquartered in Cedar Park, Texas that has been registered as a federal contractor since February 2002. Founded in 1982, the company specializes in the sales, repair, calibration, and maintenance of telecommunications and electronic test equipment. Applied Instruments has established itself as a test equipment specialist with a proven track record serving multiple federal agencies, including the Department of Defense, Federal Aviation Administration, National Oceanic and Atmospheric Administration, and the Department of Commerce, providing critical support for weather monitoring, aviation operations, scientific research, and military systems testing.
The company's federal contract portfolio demonstrates extensive expertise in repair and calibration services for specialized electronic instrumentation, with the majority of its awards from the National Oceanic and Atmospheric Administration for National Weather Service equipment maintenance. Representative work includes repair and calibration of oscilloscopes, spectrum analyzers, signal generators, power sensors and meters, frequency counters, voltmeters, and power supplies. Lddf, Inc. has also supplied new telecommunications test equipment, including telephone test sets, and has provided asset support for National Airspace System functions. The Naval Supply Systems Command has awarded contracts for power supply repairs and modifications, while the Air Force Sustainment Center has engaged the company for frequency counter repair services supporting the MUTES and Common Programs. Contract award values have ranged from $400 to $74,485, with approximately half of the awards designated as total small business set-asides, reflecting the company's qualification as a small business contractor. The company has performed work at its Cedar Park, Texas facility as well as at customer locations including Pennsylvania and California, and has served as both a prime contractor on purchase orders and as a subcontractor providing specialized calibration services.
SBA capabilities narrative
LDDF Inc. DBA Applied Instruments has been in the repair and refurbishment business since 1982, providing these services to major telecommunications companies and manufacturers for decades. Current repair services for the Navy are performed in our Cedar Park, TX location. Services are performed in an 8,000 square foot facility in Cedar Park, Texas. Tescom is a small business, with only 10 employees in the service department, and has performed overhaul / depot repair services for small business set aside contracts in the past. The current repair team is led by a degreed engineer with extensive experience in power supplies as well as complex electronic assemblies.
Quick answers
Is Lddf, Inc. registered in SAM.gov?
Yes. Lddf, Inc.'s SAM.gov registration is active through February 27, 2027.
How much has Lddf, Inc. received in federal contracts?
Federal contracts obligated $60,061 to Lddf, Inc. in fiscal year 2025 and $386,757 in fiscal years 2023 through 2027.
How does Lddf, Inc. rank among federal contractors?
Lddf, Inc. ranked #66 in NAICS 331491 and #69 in NAICS 33149 in FY2025.
What is Lddf, Inc.'s most recent federal award?
Lddf, Inc.'s most recent federal contract award is Test set, telephone (N0010425PSB46), from Naval Supply Systems Command (Navy), on May 20, 2025.
On GovTribe
See Lddf, Inc.'s full federal record
- Federal contract awards
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
- Similar vendors