Federal contractor profile

KEMMERLING HAROLD

UEI UC9LLH4LMLK5CAGE 8DEH9

E
Small Business

Overview

Legal name
KEMMERLING HAROLD
Also known as
SI SERVICES
Registered location
MOUNT VERNON, IL, USA
Primary NAICS
561720 — Janitorial Services
Latest award activity
May 29, 2025
Read company summary

KEMMERLING HAROLD is associated with UEI UC9LLH4LMLK5 and CAGE 8DEH9 in public federal records. AcornBids currently links 2 prime awards totaling $20.0K in obligations to this entity. Its largest recorded federal customer by obligations is Department of Agriculture. Its recorded federal awards include work classified as Janitorial Services. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 561720 (Janitorial Services). Its public SAM.gov registration lists MOUNT VERNON, IL, USA.

At a glance

Lifetime prime obligations$20.0K
Prime awards2
Awards with future end dates0
Top-agency concentration
Not available

Why this customer concentration

Detailed agency totals are not available in this stored profile.

Largest positive coded-agency total ÷ all positive coded-agency totals × 100

Missing data is shown as unavailable.

Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 19, 2026. Refresh pending; these totals may be out of date.

Business information

Public SAM.gov registration details.

Legal name
KEMMERLING HAROLD
Doing business as
SI SERVICES
UEI
UC9LLH4LMLK5
CAGE
8DEH9
Registered address
1605 S 14TH ST, MOUNT VERNON, IL, 62864, USA
Registration status
E
Primary NAICS
561720 — Janitorial Services
SAM activation
Apr 18, 2025
Initial registration
Apr 10, 2019
Entity start
Apr 10, 2019
SAM updated
Apr 16, 2026
Registration expires
Apr 16, 2026
Fiscal year end
Jan 20
Place of incorporation
IL, USA

View SAM.gov source

Research brief

Source facts

  • Loaded prime-award records link 2 awards and $19,975 in reported obligations to this legal entity. Source
  • Recorded awards include Janitorial Services (NAICS 561720); this classification is not proof of every company capability. Source
  • An example award describes: WASHINGTON COUNTY (NASHVILLE) IL USDA SERVICE CENTER JANITORIAL SERVICE Source

Federal award analysis

Net transaction obligations by federal fiscal period.

Selected transaction obligations$15.9K
Prime contracts

Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Histories follow awards currently assigned to this recipient and may include transactions under an earlier recipient. Coverage: 2 of 2 selected awards. Select a period to explore its awards.

Recent federal awards

Prime contract awards. Select an award to review its history and source evidence.

Award / descriptionAwarding agencyObligationsStart dateEnd date
12FPC124P0034WASHINGTON COUNTY (NASHVILLE) IL USDA SERVICE CENTER JANITORIAL SERVICEDepartment of Agriculture$16.3KJun 1, 2024May 31, 2026
12FPC124P0003WASHINGTON COUNTY USDA FSA SERVICE CENTER, NASHVILLE, IL JANITORIAL SERVICE CONTRACTDepartment of Agriculture$3.7KDec 1, 2023May 31, 2024

Registration, certifications & contacts

Registration evidenceDate
SAM updatedApr 16, 2026
Source loadedSep 26, 2026
Initial registrationApr 10, 2019
Entity startApr 10, 2019

Registration classifications: Small Business. These are separate from the reported certificates above.

IndustryReported size status
561720 — Janitorial ServicesNot reported
ContactRolePublished contact methodsEvidenceSource date
HAROLD D KEMMERLINGGovernment businessContact method not publishedSAM registrationNot available
HAROLD D KEMMERLINGElectronic businessContact method not publishedSAM registrationNot available
Registered industries
  • 561720 — Janitorial Services
Registered products and services
  • S201 — Custodial Janitorial Services

Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source

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Explore the customer, work and award-size evidence behind each match.

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1 shared agency customer(s); Shared work: 561720 — Janitorial Services; Average reported award size within 0.5–2× in matching records. Counts and amounts describe sampled matching awards, not the company’s full history.
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1 shared agency customer(s); Shared work: 561720 — Janitorial Services; Average reported award size within 0.5–2× in matching records. Counts and amounts describe sampled matching awards, not the company’s full history.
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1 shared agency customer(s); Shared work: 561720 — Janitorial Services; Average reported award size within 0.5–2× in matching records. Counts and amounts describe sampled matching awards, not the company’s full history.
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KAPUSCINSKI JOHN RAYMOND

1 shared agency customer(s); Shared work: 561720 — Janitorial Services; Average reported award size within 0.5–2× in matching records. Counts and amounts describe sampled matching awards, not the company’s full history.
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M & M SOLUTIONS LLC

1 shared agency customer(s); Shared work: 561720 — Janitorial Services; Average reported award size within 0.5–2× in matching records. Counts and amounts describe sampled matching awards, not the company’s full history.
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JACOBS' SERVICES, INC.

1 shared agency customer(s); Shared work: 561720 — Janitorial Services; Average reported award size within 0.5–2× in matching records. Counts and amounts describe sampled matching awards, not the company’s full history.
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About KEMMERLING HAROLD

Where is the company registered?

1605 S 14TH ST, MOUNT VERNON, Illinois 62864, United States

Registered location from SAM.gov; award performance locations may differ.

Explore related contractor directories

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Data coverage and methodology

Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.

Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.

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