| Diethyl Carbonate | Academic & Science |
| Distance Education Consortium | Academic & Science |
| DECiduous | Academic & Science |
| Decatur (il) | Airport Code |
| Data Entry Clerk | Business |
| Dana Energy Company | Business |
| Digital Equipment Company | Business |
| Dell EMC Certified | Business |
| Design, Execute, Control | Business |
| District Export Council | Business |
| Domiciled European Community | Business |
| Design Execution Council | Business |
| Digital Equipment Corp | Business |
| Direct Evaporative Cooling | Chemistry |
| Diversified Education Curriculum | Community |
| Detroit Economic Club | Community |
| Design Educators Community | Community |
| Distance Education Centre | Community |
| Donnellson Entertainment Committee | Community |
| District Effectiveness and Compliance | Community |
| Directory Expert Conference | Community |
| Drug Endangered Children | Community |
| Disasters Emergency Committee | Community |
| Development Experience Clearinghouse | Community |
| Douglas Education Center | Community |
| Department Evaluation Committee | Community |
| Daily Effective Circulation | Community |
| Digital Extended Command (proposed T.30 extended negotiations) | Computer and Networking |
| Decimal | Computer Assembly Language |
| Decrement | Computer Assembly Language |
| Darn Expensive Component | Computer Hardware |
| Data Exchange Center | Computing |
| Digital Ethernet Personal Computer | Computing |
| Digital Electronic Computer | Computing |
| Decryption | Computing |
| Decompressor | Computing |
| Double Error Correction | Computing |
| Decoding Circuit | Computing |
| Directory Experts Conference | Computing |
| Department of Engineering Cybernetics | Computing |
| Decomposer | Computing |
| Dynamic Event Creator | Computing |
| Delphi Encryption Compendium | Computing |
| Decoder | Computing |
| Dark Energy Crystals | Cryptocurrency |
| Decentr | Cryptocurrency |
| Directory Entry Code | Database Management |
| Decoded File | File Type |
| Division for Early Childhood | General |
| Dependable Economical and Capable | General |
| Darico Ecosystem Coin | General |
| Deaf Emergency Calling | General |
| Drug Enforcement Commission | General |
| Driver Education Certificate | General |
| Driver Education Completion | General |
| Driver Education Center | General |
| District Executive Committee | General |
| Downhill, Etc., Crew | General |
| Do Expect Cuts | General |
| Delta Epsilon Chi | General |
| Dolphin Energy Club | General |
| Designed and Engineered Composites | General |
| Digital Epistemological Cycles | General |
| Design Estimating and Construction | General |
| Defects Expiration Contamination | General |
| Domina Easter Convention | General |
| Downtown Event Center | General |
| Driving Experience Control | General |
| Diesel Electronic Control | General |
| Diesel Emissions Control | General |
| Driver Education Course | General |
| Driver Eligibility Certificate | General |
| Digital Engine Control | General |
| Dead End Cruisers | General |
| Digital Electronic Controller | General |
| Daimler Enthusiasts Club | General |
| Delco Electronics Corporation | General |
| Driving Experience Centre | General |
| Dallas Entrepreneur Center | General |
| Dublin Entrepreneurial Center | General |
| Discounted Eligible Costs | General |
| Desiccative Evaporative Cooling | General |
| Digital Entertainment Center | General |
| Department of Environment and Conservation | Governmental |
| Display Energy Certificates | Governmental |
| Display Energy Certificate | Governmental |
| Distance Education Council | Governmental |
| District Emergency Coordinator | Governmental |
| Department of Environmental Conservation | Governmental |
| Department of Environmental Control | Governmental |
| Drug Evaluation and Classification | Governmental |
| Dominion Executive Committee | Governmental |
| Ductible Employee Contribution | Governmental |
| Disaster Emergency Committee | Governmental |
| Division of Education and Communication | Governmental |
| Delaware Electric Cooperative | Governmental |
| DEME Environmental Contractors | Governmental |
| Direct Energy Conversion | Governmental |
| DELHI CANTT | Indian Railway Station |
| Digital Equipment Corporation | Information Technology |
| Department Emergency Coordinator | Jobs |
| Diethylcarbamazine Citrate | Medical |
| Deceased | Medical |
| Decrease | Medical |
| Disability Empowerment Center | Medical |
| Desquamated Epithelial Cell | Medical |
| Di Ethyl Carbamazine | Medical |
| Diagnostic Evaluation Center | Medical |
| DECompose | Medical |
| Dendritic Epidermal Cell | Medical |
| Development and Evaluation Committee, subsumed by NICE | Medical |
| Diagnostic Episode Cluster | Medical |
| Disasters Emergencies Committee | Medical |
| Doppler echocardiography | Medical |
| Duct Epithelial Cells | Medical |
| Dental Education Clinic | Medical |
| December | Month of Year |
| Decatur Airport, Decatur, Illinois USA | Regional |
| Alaska Department of Environmental Conservation | Regional |
| Different Error Costs | Softwares |
| Declination | Space Science |
| Decatur Airport | Transport & Travel |