Nonprofit · EIN 36-6106131
STEEL DECK INSTITUTE
Tax-exempt · FLORENCE, SC 29501
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $1,331,236 | $857,797 | $473,439 | $2,524,458 | $0 | $2,524,458 |
| December 31, 2024 | 990 | $681,207 | $467,854 | $213,353 | $2,002,325 | $0 | $2,002,325 |
| April 30, 2024 | 990 | $964,268 | $847,427 | $116,841 | $1,756,719 | $0 | $1,756,719 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $1,121,977
- Program service revenue
- $3,984
- Investment income
- $96,678
- Net income from sales of inventory
- $106,791
- Other revenue
- $108,597
Expenses
- Grants and similar amounts paid
- $0
- Other salaries and wages
- $143,333
- Salaries, compensation and benefits (total)
- $179,232
- Professional fundraising fees
- $0
- Accounting fees
- $27,818
- Occupancy
- $9,711
- Program services (functional)
- $514,241
- Management and general (functional)
- $343,556
Balance sheet and other
- Total assets, start of year
- $2,002,325
- Total assets, end of year
- $2,524,458
- Total liabilities, end of year
- $0
- Net assets, end of year
- $2,524,458
- Publicly traded securities
- $951,039
- Net assets without donor restrictions
- $2,524,458
- Gross receipts
- $1,382,328
- Employees
- 1
- Volunteers
- 0
- Year formed
- 1939
- State of legal domicile
- IL
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KEN CHARLES | EXECUTIVE DIRECTOR Trustee or director, Officer | 30 | $166,959 |
| BOB HUDSON | PRESIDENT Trustee or director, Officer | 1 | $0 |
| GABE GRAHAM | FIRST VICE PRESIDENT Trustee or director, Officer | 1 | $0 |
| MIKE HOLLERAN | SECOND VICE PRESIDENT Trustee or director, Officer | 1 | $0 |
| MICHAEL MARTIGNETTI | PAST PRESIDENT Officer | 1 | $0 |
990 for the year ended December 31, 2024: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KEN CHARLES | EXECUTIVE DIRECTOR Trustee or director, Officer | 30 | $113,088 |
| BOB HUDSON | PRESIDENT Trustee or director, Officer | 1 | $0 |
| TIM DAY | FIRST VICE PRESIDENT Trustee or director, Officer | 1 | $0 |
| GABE GRAHAM | SECOND VICE PRESIDENT Trustee or director, Officer | 1 | $0 |
990 for the year ended April 30, 2024: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KEN CHARLES | EXECUTIVE DIRECTOR Trustee or director, Officer | 30 | $153,646 |
| BOB HUDSON | PRESIDENT Trustee or director, Officer | 1 | $0 |
| TIM DAY | FIRST VICE PRESIDENT Trustee or director, Officer | 1 | $0 |
| ALAN JOHNSON | SECOND VICE PRESIDENT Trustee or director, Officer | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 101 KUKER ST, FLORENCE, SC 29501-4342
- Principal officer (990 for 2025)
- KEN CHARLES, 140 W EVANS STREET SUITE 29501, FLORENCE, SC 29501
- Signed the 990
- KEN CHARLES, EXECUTIVE DIRECTOR
- Phone
- (843) 407-7411
- Website
- WWW.SDI.ORG
- Return prepared by
- MUNN & ASSOCIATES PC
Mission
THE STEEL DECK INSTITUTE MISSION IS TO PROVIDE UNIFORM INDUSTRY STANDARDS FOR THE ENGINEERING, DESIGN, MANUFACTURE, AND FIELD USAGE OF STEEL DECKS.
Program accomplishments
- THE STEEL DECK INSTITUTE CONDUCTS RESEARCH, PUBLISHES, AND DISTRIBUTES TECHNICAL RESULTS OF THIS RESEARCH TO DESIGN STANDARDS FOR THE STEEL DECK INDUSTRY.Expenses $514,241
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | Check at the IRS |
IRS record
- EIN
- 36-6106131
- Tax-exempt status
- 501(c)(6): Business league or chamber of commerce
- Donations deductible
- No
- Exempt since
- 1957
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $2,524,458
- Income (IRS master file)
- $1,382,328
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $1,331,236 | $857,797 | $2,524,458 | IRS |
| 990 | December 2024 | $681,207 | $467,854 | $2,002,325 | IRS |
| 990 | April 2024 | $964,268 | $847,427 | $1,756,719 | XML |
| 990 | April 2023 | $750,310 | $733,591 | $1,649,122 | IRS |
| 990 | April 2022 | – | – | – | IRS |
| 990 | April 2021 | – | – | – | IRS |
| 990 | April 2020 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 36-6106131).
Questions about STEEL DECK INSTITUTE
- What is the EIN of STEEL DECK INSTITUTE?
- The employer identification number (EIN) of STEEL DECK INSTITUTE is 36-6106131.
- Is STEEL DECK INSTITUTE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1957.
- Are donations to STEEL DECK INSTITUTE tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does STEEL DECK INSTITUTE file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of STEEL DECK INSTITUTE due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did STEEL DECK INSTITUTE last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of STEEL DECK INSTITUTE?
- The 990 for the year ended December 31, 2025 names KEN CHARLES.
- Who are the officers and directors of STEEL DECK INSTITUTE?
- The 990 for the year ended December 31, 2025 lists 5 people; 1 received compensation from the organization, the highest $166,959 (KEN CHARLES, EXECUTIVE DIRECTOR).
- How much revenue does STEEL DECK INSTITUTE have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $1,331,236, expenses of $857,797 and total assets of $2,524,458 at year end.
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