KNOWLES INDUSTRIAL SERVICES CORP.
81 RIVERSIDE STREET, PORTLAND, ME 04103
Having inspection records is common for businesses in regulated industries. Data and methodology
Inspection records
Jul 21, 2011#315717587Jul 21, 2011Planned (H) · Complete scope, Safety#315717587$00 viol.0 violations$0 in penalties
Inspection #315717587
Dates
- Opened
- Jul 21, 2011
- Closing Conference Date
- Jul 21, 2011
- Closed
- Aug 9, 2011
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- No
- Number of Employees
- 20
Violations and Penalties
- Total Violations
- 0
- Initial Penalties
- $0
- Penalties on Record
- $0
- Site Address
- Commercial Street, Portland, ME 04101
- Industry
- 238140 Masonry Contractors
Planned Inspection: This inspection record is categorized as a planned inspection in the DOL OSHA enforcement data. Planned inspections are part of OSHA's scheduled enforcement activity rather than being opened directly from a complaint or reported incident at that worksite.
Jul 18, 2011#315672220Jul 18, 2011Planned (H) · Complete scope, Safety#315672220$00 viol.0 violations$0 in penalties
Inspection #315672220
Dates
- Opened
- Jul 18, 2011
- Closing Conference Date
- Jul 18, 2011
- Closed
- Jul 18, 2011
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- No
- Number of Employees
- 6
Violations and Penalties
- Total Violations
- 0
- Initial Penalties
- $0
- Penalties on Record
- $0
- Site Address
- Elm Street, Portland, ME 04101
- Industry
- 236220 Commercial and Institutional Building Construction
Planned Inspection: This inspection record is categorized as a planned inspection in the DOL OSHA enforcement data. Planned inspections are part of OSHA's scheduled enforcement activity rather than being opened directly from a complaint or reported incident at that worksite.
Dec 6, 2007#311424311Dec 6, 2007Planned (H) · Complete scope, Safety#311424311$1,5001 viol.1 violation$1,500 in penalties
Inspection #311424311
Dates
- Opened
- Dec 6, 2007
- Closing Conference Date
- Dec 6, 2007
- Closed
- Jan 9, 2008
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- No
- Number of Employees
- 8
Violations and Penalties
- Total Violations
- 1
- Violation Types
- 1 serious
- Initial Penalties
- $3,000
- Penalties on Record
- $1,500
- Site Address
- Congress Street, Portland, ME 04102
- Industry
- 238190 Other Foundation, Structure, and Building Exterior Contractors
Planned Inspection: This inspection record is categorized as a planned inspection in the DOL OSHA enforcement data. Planned inspections are part of OSHA's scheduled enforcement activity rather than being opened directly from a complaint or reported incident at that worksite.
Violations
Violation list (1 of 1 shown)
| Citation | Standard | Type | Instances | Exposed | Initial | Current | Abatement | Contest | Final Order |
|---|---|---|---|---|---|---|---|---|---|
| 01001 | 1926.451 Scaffolding - General Requirements OSHA citation code: 19260451 G02 | Serious | 1 | 1 | $3,000 | $1,500 | Dec 26, 2007 | - | - |
Nov 30, 2006#310527148Nov 30, 2006Planned (H) · Complete scope, Safety#310527148$3,9002 viol.2 violations$3,900 in penalties
Inspection #310527148
Dates
- Opened
- Nov 30, 2006
- Closing Conference Date
- Nov 30, 2006
- Closed
- Jan 18, 2007
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- No
- Number of Employees
- 8
Violations and Penalties
- Total Violations
- 2
- Violation Types
- 2 serious
- Initial Penalties
- $3,900
- Penalties on Record
- $3,900
- Site Address
- 340 Eastern Promenade, Portland, ME 04101
- Industry
- 238190 Other Foundation, Structure, and Building Exterior Contractors
Planned Inspection: This inspection record is categorized as a planned inspection in the DOL OSHA enforcement data. Planned inspections are part of OSHA's scheduled enforcement activity rather than being opened directly from a complaint or reported incident at that worksite.
Violations
Violation list (2 of 2 shown)
| Citation | Standard | Type | Instances | Exposed | Initial | Current | Abatement | Contest | Final Order |
|---|---|---|---|---|---|---|---|---|---|
| 01001 | 1926.501 Fall Protection - Duty to Have Fall Protection OSHA citation code: 19260501 B01 | Serious | 1 | 1 | $3,000 | $3,000 | Jan 8, 2007 | - | - |
| 01002 | 1926.1053 Ladders (Construction) OSHA citation code: 19261053 B04 | Serious | 1 | 1 | $900 | $900 | Jan 8, 2007 | - | - |
Jun 24, 1997#122382476Jun 24, 1997Referral (C) · Complete scope, Safety#122382476$6002 viol.2 violations$600 in penalties
Inspection #122382476
Dates
- Opened
- Jun 24, 1997
- Closing Conference Date
- Jun 24, 1997
- Closed
- Jul 30, 1997
Inspection
- Advance Notice
- No
- Owner Type
- Private
- Union Status
- No
- Number of Employees
- 5
- Related Activity
- 1 referral
Violations and Penalties
- Total Violations
- 2
- Violation Types
- 2 serious
- Initial Penalties
- $750
- Penalties on Record
- $600
- Site Address
- 81 Riverside Street, Portland, ME 04103
- Industry
- Not classified in OSHA's inspection record.
Referral Inspection: This inspection record is categorized as a referral inspection in the DOL OSHA enforcement data. Referral inspections can result from another agency, another OSHA activity, or another source referring a potential hazard to OSHA.
Violations
Violation list (2 of 2 shown)
| Citation | Standard | Type | Instances | Exposed | Initial | Current | Abatement | Contest | Final Order |
|---|---|---|---|---|---|---|---|---|---|
| 01001 | 1926.451 Scaffolding - General Requirements OSHA citation code: 19260451 E01 | Serious | 8 | 1 | $225 | $180 | Jul 7, 1997 | - | - |
| 01002 | 1926.451 Scaffolding - General Requirements OSHA citation code: 19260451 G01 | Serious | 8 | 1 | $525 | $420 | Jul 7, 1997 | - | - |
Penalty amounts may differ from final amounts after settlement or judicial review. How to read these records
About these records
A company page groups inspections with the same normalized employer name, city and state; it is not a legal-entity identifier (how pages are grouped).
This page displays public OSHA enforcement data. Status text follows the DOL inspection record first and may include citation-level context when the inspection feed and citation records are out of sync. Penalty amounts shown reflect the latest penalty amounts on record in the DOL database and may differ from initial assessments or final amounts. This is not an official OSHA resource.
OSHA's public enforcement data does not publish a "guilty" or "not guilty" field for inspections. The closest outcome fields available are the citation counts, penalty amounts, contest dates, final-order dates, and the inspection close date shown on this page. How to interpret these status fields. How initial and current penalties are recorded.
OSHA may publish multiple citation rows in the same inspection with the same standard and penalty fields. Separate rows can still differ in OSHA metadata such as citation identifier, recorded instance count, exposed workers, or gravity value. Contest and Final Order columns show citation-level dates from OSHA's enforcement record. A dash means OSHA's record does not currently show that activity for the citation.
Understanding These Penalties
The maximum penalty for a serious violation in 2025 is $16,550 per violation. For willful violations, the range is $11,823 to $165,514. The current penalty column shows the latest amount on record in OSHA's database for each citation. When the current penalty differs from the initial penalty, OSHA's records show that the amount changed during the enforcement process, but this page does not determine the specific reason for each change. Penalty amounts are set by OSHA and adjusted annually for inflation.
5 inspections, 1997 to 2011. Each row is one inspection; point at or tap a row for its dates and totals.
Source: DOL OSHA enforcement data (inspections and violations), linked via activity_nr (exact government key).
Penalty changes: Amounts shown reflect what OSHA's enforcement record publishes. The reason for any change is not stated unless OSHA's record explicitly says so.
Short cases: When a case closed soon after it opened, the closed marker is drawn slightly to the right so both markers stay visible. Each row's card shows the exact dates.