Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Centel: History & Companies

Centel Corporation was an American telecommunications company, with primary interests in basic telephone service, cellular phone service and cable television service.

Language: English [EN]
Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.
100%
More settings
100% 100% 100% 100% 100%

Centel topic overview

The analysis highlights History and Companies as prominent areas in the source structure around Centel.

Related topics
60
Source areas
3
Connected nodes
63
Extracted relationships
98
Concept neighborhoods
34
Bridge connections
63

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Former subsidiaries · 34 topics
Centel · 19 topics
Early history · 7 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Founded
1900; 126 years ago (1900) in Sioux City, Iowa
Industry
Telecommunications
Headquarters
Chicago, Illinois (1977–1993) Lincoln, Nebraska (pre-1977), United States
Area served
North Carolina, Virginia, Illinois, Florida, Texas, Ohio, Minnesota, Iowa, Nevada
Defunct
1993; 33 years ago (1993) (Acquired by Sprint, divested as Embarq, acquired by CenturyLink (now Lumen Technologies)
Divisions
Central Telephone Company Central Telephone Company of Virginia Central Telephone Company of Texas

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Early history

Centel

Former subsidiaries

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Centel connects Entity context

The extracted context around Centel shows recurring relationship patterns in the source. For example, Centel → Ameritech, AT, Brightspeed, Central Telephone's Florida, CenturyLink, CenturyTel, Chicago-area, Des Plaines, Earlier, Embarq, Florida, Frontier Communications, In, Iowa, Lumen Technologies, Minnesota, Nevada, Ohio, Operations, Other Another extracted example is Centel → AT, Central Telephone Company, Charlottesville, Chicago, Contel, Cook County, Des Plaines, Field Enterprises, Florida, Glenview, GTE, Honeywell, It, Its, Keyfax, Las Vegas, Niles, Northbrook, Park Ridge, Tallahassee. Use these groups to spot repeated connection types before inspecting the individual relationships.

Centel

Top relations

related to Central Telephone Company · 25
Centel → Ameritech, AT, Brightspeed, Central Telephone's Florida, CenturyLink, CenturyTel, Chicago-area, Des Plaines, Earlier, Embarq, Florida, Frontier Communications, In, Iowa, Lumen Technologies, Minnesota, Nevada, Ohio, Operations, Other
related to Centel · 24
Centel → AT, Central Telephone Company, Charlottesville, Chicago, Contel, Cook County, Des Plaines, Field Enterprises, Florida, Glenview, GTE, Honeywell, It, Its, Keyfax, Las Vegas, Niles, Northbrook, Park Ridge, Tallahassee
related to history · 17
Centel → Central Telephone, Central West Public Service, Company, Electric Company, In, Iowa, Louis, Max McGraw, McGraw, McGraw Electric Company, McGraw's, McGraw-Edison, Missouri, Over, Sioux City, St, Through
related to Centel Cellular Company · 8
Centel → Alltel, Centel Cellular Company, Communications Company, In, It, Sprint, Sprint Cellular Company, Verizon Wireless
related to Centel Electric · 8
Centel → Aquila, Black Hills Corporation, Colorado, In, Inc, Kansas, Mid-Kansas Electric Company, UtiliCorp
related to Centel Cable Television · 5
Centel → Adelphia Communications, Comcast, In, Southeast Florida, Time Warner Cable
Area served · 1
Centel → North Carolina, Virginia, Illinois, Florida, Texas, Ohio, Minnesota, Iowa, Nevada
Defunct · 1
Centel → 1993; 33 years ago (1993) (Acquired by Sprint, divested as Embarq, acquired by CenturyLink (now Lumen Technologies)
Divisions · 1
Centel → Central Telephone Company Central Telephone Company of Virginia Central Telephone Company of Texas
Founded · 1
Centel → 1900; 126 years ago (1900) in Sioux City, Iowa

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

company operations telephone cable sprint service central acquired communications electric cellular television sold telecommunications later florida ohio corporation time spun

Centel relationships Subject–Predicate–Object triples

TTTA extracted 98 structured relationships around Centel. Examples in this analysis include Centel → Area served → North Carolina, Virginia, Illinois, Florida, Texas, Ohio, Minnesota, Iowa, Nevada and Centel → Defunct → 1993; 33 years ago (1993) (Acquired by Sprint, divested as Embarq, acquired by CenturyLink (now Lumen Technologies). The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
CentelArea servedNorth Carolina, Virginia, Illinois, Florida, Texas, Ohio, Minnesota, Iowa, Nevada1.00infobox
CentelDefunct1993; 33 years ago (1993) (Acquired by Sprint, divested as Embarq, acquired by CenturyLink (now Lumen Technologies)1.00infobox
CentelDivisionsCentral Telephone Company Central Telephone Company of Virginia Central Telephone Company of Texas1.00infobox
CentelFounded1900; 126 years ago (1900) in Sioux City, Iowa1.00infobox
CentelFounderMax McGraw1.00infobox
CentelHeadquartersChicago, Illinois (1977–1993) Lincoln, Nebraska (pre-1977), United States1.00infobox
CentelIndustryTelecommunications1.00infobox
CentelPredecessorCentral West Public Service Co, Western Power & Gas, Central Telephone and Utilities Corp.1.00infobox
CentelProductsTelephone, Cable television, Wireless1.00infobox
CentelTraded asNYSE: CTL1.00infobox
CentelTypePublic1.00infobox
Centelrelated to CentelCentral Telephone Company0.60section

Related concept clusters Concept neighborhoods

The concept neighborhoods around Centel bring nearby vocabulary together. In this analysis, examples include Service, Company and Telephone. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Centel
    • Service
    • Company
    • Telephone
    • Sprint
    • Television
    • Cable
    • Cellular
    • Electric
    • Sold
    • Operations
    • Telecommunications
    • United
  • centel
    • Service
    • Company
    • Telephone
    • Sprint
    • Television
    • Cable
    • Cellular
    • Electric
    • Sold
    • Operations
    • Telecommunications
    • United
  • mcgraw electric company
    • Telephone
    • Central
    • Electric
    • Mcgraw
    • Telecommunications
    • Service
    • Now
    • States
    • Supply
    • United
    • Ohio
    • Television
  • central telephone company
    • Telephone
    • Electric
    • Central
    • Telecommunications
    • Florida
    • Television
    • Company
    • Mcgraw
    • States
    • Sprint
    • Service
    • Centurylink
  • united telephone
    • Embarq
    • States
    • Central
    • Electric
    • Sprint
    • Local
    • Telephone
    • United
    • Television
    • Centel
    • Iowa
    • Mcgraw
  • centurylink of florida
    • Embarq
    • Now
    • Florida
    • Warner
    • Iowa
    • Mcgraw
    • Television
    • Time
    • Later
    • Chicago
    • Electrical
    • States
  • time warner cable
    • Time
    • Warner
    • Later
    • Charter
    • Communications
    • Television
    • Cable
    • Operations
    • Ultimately
    • Florida
    • Corporation
    • Centel
  • warner cable
    • Time
    • Later
    • Charter
    • Communications
    • Television
    • Cable
    • Warner
    • Operations
    • Ultimately
    • Florida
    • Corporation
    • Centel

Connections between topic areas Semantic bridges

For Centel, one of the stronger structural bridges in this analysis connects Centel with Former subsidiaries. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
CentelFormer subsidiaries · splits 29 ⟂ 35
CentelCentel · splits 44 ⟂ 20
CentelEarly history · splits 56 ⟂ 8

Map overview Semantic statistics

Centel

Nodes64
Edges63
Triples98
Avg. degree1.97
Density0.03125
Components1

Source & methodology

TTTA analyzes the structure around Centel to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History & Companies, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Centel · EN edition · Analysis: TopicsToTalkAbout

For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.