Civic Intelligence

Telecommunications History Group Inc

EIN 84-1205096 • 501(c)3 • Denver, CO

Profile

Educating and demonstrating how communications changes lives and our world. To preserve, protect and display telecommunication artifacts and documents

P O Box 8719Denver, CO 80201-8719

www.telcomhistory.org

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

65th percentile

0.01x

Higher debt load relative to assets than 65% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2024

Liabilities / Revenue

67th percentile

0.01x

Higher debt load relative to revenue than 67% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2024

Net Margin

67th percentile

13%

Higher net margin than 67% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2024

Top Officer Pay

81st percentile

$0

Higher top officer pay than 81% of similar nonprofits.

Top officer pay equals 0.0% of source-year revenue.

501(c)3 • <$500k nonprofits • Source year 2024

Asset Growth

71st percentile

14%

Faster asset growth than 71% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2023 to 2024

Revenue Growth

74th percentile

23%

Faster revenue growth than 74% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2023 to 2024

Balance Sheet
Liabilities / Assets65th percentile

Assets

Up

$158,691

Up $19,168 (+14%) from 2023

Liabilities

Up

$893

Up $101 (+13%) from 2023

Net Assets

Up

$157,798

Up $19,067 (+14%) from 2023

Operations
Liabilities / Revenue67th percentileNet Margin67th percentile

Revenue

Up

$148,543

Up $27,661 (+23%) from 2023

Expenses

Up

$129,476

Up $3,140 (+2.5%) from 2023

Net Income

Up

$19,067

Up $24,521 (+450%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth71st percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$1.0M$500K$0Assets 2011: $701,783Liabilities 2011: $304Net Assets 2011: $701,4792011Assets 2012: $782,506Liabilities 2012: $1,405Net Assets 2012: $781,1012012Assets 2013: $851,073Liabilities 2013: $352Net Assets 2013: $850,7212013Assets 2014: $845,162Liabilities 2014: $1,727Net Assets 2014: $843,4352014Assets 2015: $803,985Liabilities 2015: $2,354Net Assets 2015: $801,6322015Assets 2016: $762,398Liabilities 2016: $2,160Net Assets 2016: $760,2382016Assets 2017: $699,068Liabilities 2017: $2,292Net Assets 2017: $696,7762017Assets 2018: $43,994Liabilities 2018: $4,215Net Assets 2018: $39,7792018Assets 2019: $45,411Liabilities 2019: $552Net Assets 2019: $44,8592019Assets 2020: $66,698Liabilities 2020: $507Net Assets 2020: $66,1912020Assets 2021: $118,601Liabilities 2021: $1,614Net Assets 2021: $116,9872021Assets 2022: $145,077Liabilities 2022: $892Net Assets 2022: $144,1852022Assets 2023: $139,523Liabilities 2023: $792Net Assets 2023: $138,7312023Assets 2024: $158,691Liabilities 2024: $893Net Assets 2024: $157,7982024

Highlighted filing

2024

Assets$158,691
Liabilities$893
Net Assets$157,798
Open 2024 Filing

Operations Trend

Revenue Growth74th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$300K$200K$100K$0-$100KRevenue 2011: $288,454Expenses 2011: $58,959Net Income 2011: $229,4952011Revenue 2012: $131,573Expenses 2012: $51,948Net Income 2012: $79,6252012Revenue 2013: $130,410Expenses 2013: $60,792Net Income 2013: $69,6182013Revenue 2014: $74,411Expenses 2014: $81,697Net Income 2014: -$7,2862014Revenue 2015: $60,738Expenses 2015: $102,541Net Income 2015: -$41,8032015Revenue 2016: $64,188Expenses 2016: $104,595Net Income 2016: -$40,4072016Revenue 2017: $61,961Expenses 2017: $125,422Net Income 2017: -$63,4612017Revenue 2018: $105,406Expenses 2018: $140,567Net Income 2018: -$35,1612018Revenue 2019: $89,669Expenses 2019: $84,589Net Income 2019: $5,0802019Revenue 2020: $110,511Expenses 2020: $89,179Net Income 2020: $21,3322020Revenue 2021: $164,814Expenses 2021: $114,018Net Income 2021: $50,7962021Revenue 2022: $145,345Expenses 2022: $118,147Net Income 2022: $27,1982022Revenue 2023: $120,882Expenses 2023: $126,336Net Income 2023: -$5,4542023Revenue 2024: $148,543Expenses 2024: $129,476Net Income 2024: $19,0672024

Highlighted filing

2024

Revenue$148,543
Expenses$129,476
Net Income$19,067
Open 2024 Filing

Filings

Most recent year

2024 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.

Open filing
Assets
$158,691
Liabilities
$893
Net assets
$157,798
Revenue
$148,543
Expenses
$129,476
Net income
$19,067
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Facts available. Structured filing facts are available, but richer extracted sections are limited.$1.59$0.01$1.58$1.49$1.29$0.19
2023XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$1.40$0.01$1.39$1.21$1.26$0.05
2022Detailed filing. Detailed filing data is available for this year.$1.45$0.01$1.44$1.45$1.18$0.27
2021Detailed filing. Detailed filing data is available for this year.$1.19$0.02$1.17$1.65$1.14$0.51
2020Detailed filing. Detailed filing data is available for this year.$0.67$0.01$0.66$1.11$0.89$0.21
2019Detailed filing. Detailed filing data is available for this year.$0.45$0.01$0.45$0.90$0.85$0.05
2018Detailed filing. Detailed filing data is available for this year.$0.44$0.04$0.40$1.05$1.41$0.35
2017Detailed filing. Detailed filing data is available for this year.$6.99$0.02$6.97$0.62$1.25$0.63
2016Detailed filing. Detailed filing data is available for this year.$7.62$0.02$7.60$0.64$1.05$0.40
2015XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$8.04$0.02$8.02$0.61$1.03$0.42
2014Summary only. Only limited summary data is available for this year.$8.45$0.02$8.43$0.74$0.82$0.07
2013Summary only. Only limited summary data is available for this year.$8.51$0.00$8.51$1.30$0.61$0.70
2012Summary only. Only limited summary data is available for this year.$7.83$0.01$7.81$1.32$0.52$0.80
2011Summary only. Only limited summary data is available for this year.$7.02$0.00$7.01$2.88$0.59$2.29
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
Sep 3, 2025
Return Version
2024v5.2
Gross Receipts
$150,457
Mission and Program Overview

Mission

Educating and demonstrating how communications changes lives and our world.To Preserve, Protect and display telecommunication artifacts and documents

Educating and demonstrating how communications changes lives and our world To preserve protect and display telecommunication artifacts

Balance Sheet Detail
LineBeginningEndChange
Assets
Savings and Temporary Cash Investments$111,170$104,349▼ $6,821
Cash and Non-Interest-Bearing Accounts$23,612$49,432▲ $25,820
Prepaid Expenses and Deferred Charges$4,225$4,225→ $0
Inventories for Sale or Use$516$685▲ $169
Total Assets$139,523$158,691▲ $19,168
Liabilities
Accounts Payable and Accrued Expenses$792$893▲ $101
Total Liabilities$792$893▲ $101
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$138,731$157,798▲ $19,067
Total Net Assets Fund Balance$138,731$157,798▲ $19,067
Total Liabilities and Net Assets / Fund Balance$139,523$158,691▲ $19,168
Compensation and Service Providers
Top Officer Pay81st percentile

Board Members and Trustees

NameTitle
Peter AmsteinPresident
Michael W NearingVice President
David BurgessDirector
Edwin W MattsonDirector
Jody GeorgesonDirector
Mary RetkaDirector
Philip LinseDirector
Roger ChristensenDirector
Sarah AutumnSecretary
Bill JohnstonTreasurer
Revenue and Support

Revenue Composition

Contributions and Grants
$127,506
Program Service Revenue
$635
Investment Income
$13,710
Other Revenue
$6,692
All Other Contributions
$114,165
Change in Net Assets
$19,067
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$108,690
Salaries, Compensation, and Employee Benefits$20,786
Total Fundraising Expense$6,044
Grants and Similar Amounts Paid$0
Professional Fundraising Fees$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Occupancy$54,051--$54,051
Other Salaries and Wages$3,853$14,448$963$19,264
Fees for Service Investment Mgmnt Fees-$12,449-$12,449
Office Expenses$1,778$3,555$1,776$7,109
Information Technology$1,401$2,802$1,400$5,603
Other Expenses$2,350$1,175$1,175$4,700
Fees for Services Accounting-$2,380-$2,380
Payroll Taxes$304$1,142$76$1,522
Travel$362$1,084-$1,446
Insurance-$1,438-$1,438
Total Functional Expenses$82,959$40,473$6,044$129,476
Fundraising, Events, and Gaming
Fundraising activities
No
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Professional Fundraising Fees$0
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
Yes
Annual disclosure for covered persons
No
Audit committee
Yes
Backup withholding compliance
Yes
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
No
Other officer compensation reviewed
No
Conflict-of-interest policy
Yes
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Part VI Line 11B

“The form 990 is reviewed by the president and treasurer before being”

Part VI Line 11B

“approved and filed”

Part VI Line 19

“These documents are not publicly available.”

Filing and Contact Details

Filer

Filer Name
Telecommunications History Group Inc
EIN
84-1205096
In Care Of
% R William Johnston
Phone
3032961221
Address
P O BOX 8719, DENVER, CO 80201-8719

Signing Officer

Name
R William Johnston
Title
Treasurer
Phone
3032961221
Signed
2025-09-03
Discuss with paid preparer
Yes

Organization Details

Principal Officer
Peter Amstein
Formed
1992
Legal Domicile
Co
Voting Board Members
10
Independent Board Members
10
Employees
1
Volunteers
45

Preparer

Firm
Centennial Business Systems
Address
6391 S Jackson St, Centennial, CO 80121
Preparer
Wayne O Roszelle Ea
Phone
3039012771
Supplemental Narrative

Financial Statement Notes

Part III, Line 1A-Text in footnote regarding SFAS 116 (ASC 958)

“$2,981,000 This is the estimated value of artifacts of the history group. it is not included as part ofthe balance sheet assets”

Part III, Line 4-Description organization'S collections

“The Telecomunications History Group maintains two museums of comunications equipment, telephone directories, photographs, documents and manuscripts relating to the role of telecomunications in the world.”

Part V, Line 4-Intended uses of endowment funds

“The income from the endowment fund is to used to Support the mission of the Telecommunications History Group (THG)THG has a beneficial interest in the assets of the endowment fund that it established with the Denver Foundation. Up to 8 of the total value of the fund (less fund adminstration fees) may be used to support THGs mission in any given year. A portion of the fund is subject to donor restriction as to use, and the remainder is unrestricted”

Raw XML AppendixShowing 400 of 443 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

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IRS990/PrincipalOfficerNm0Peter Amstein
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IRS990/ProgSrvcAccomActy2Grp/Desc0The Telecommunications History Group provides education resources for teachers through online content on our web site and through our support of the Colorado National History Day Program.
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IRS990/ProgSrvcAccomActy3Grp/Desc0The Telecommunications History group operates an extensive archive of documents, film and video recordings, and other materials related to the history of the communications industry. The archive is available to qualified researchers from the public, academia and industry. We also provide research services on request
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IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt0$2,981,000 This is the estimated value of artifacts of the history group. it is not included as part ofthe balance sheet assets
IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt1The Telecomunications History Group maintains two museums of comunications equipment, telephone directories, photographs, documents and manuscripts relating to the role of telecomunications in the world.
IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt2The income from the endowment fund is to used to Support the mission of the Telecommunications History Group (THG)THG has a beneficial interest in the assets of the endowment fund that it established with the Denver Foundation. Up to 8 of the total value of the fund (less fund adminstration fees) may be used to support THGs mission in any given year. A portion of the fund is subject to donor restriction as to use, and the remainder is unrestricted
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IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc2Part V, Line 4-Intended uses of endowment funds
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IRS990ScheduleM/HistoricalArtifactsGrp/MethodOfDeterminingRevenuesTxt0See Part II
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IRS990ScheduleM/SupplementalInformationDetail/ExplanationTxt0The orignization does not
IRS990ScheduleM/SupplementalInformationDetail/ExplanationTxt1capitalize it's Museum
IRS990ScheduleM/SupplementalInformationDetail/ExplanationTxt2collection as allowed
IRS990ScheduleM/SupplementalInformationDetail/ExplanationTxt3under ACS958-360
IRS990ScheduleM/SupplementalInformationDetail/ExplanationTxt4Policy on file
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IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0The form 990 is reviewed by the president and treasurer before being
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1approved and filed
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2These documents are not publicly available.
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