diff --git a/src/Terminal.ts b/src/Terminal.ts
index 5cda1d246..08783230c 100644
--- a/src/Terminal.ts
+++ b/src/Terminal.ts
@@ -251,7 +251,7 @@ export class Terminal extends Disposable implements ITerminal, IDisposable, IInp
     this._coreService.onData(e => this._onData.fire(e));
     this._dirtyRowService = this._instantiationService.createInstance(DirtyRowService);
     this._instantiationService.setService(IDirtyRowService, this._dirtyRowService);
-    this._logService = new LogService(this.optionsService);
+    this._logService = this._instantiationService.createInstance(LogService);
     this._instantiationService.setService(ILogService, this._logService);
 
     this._setupOptionsListeners();
@@ -585,7 +585,8 @@ export class Terminal extends Disposable implements ITerminal, IDisposable, IInp
     this.register(addDisposableDomListener(this.textarea, 'blur', () => this._onTextAreaBlur()));
     this._helperContainer.appendChild(this.textarea);
 
-    this._charSizeService = new CharSizeService(this._document, this._helperContainer, this.optionsService);
+    this._charSizeService = this._instantiationService.createInstance(CharSizeService, this._document, this._helperContainer);
+    this._instantiationService.setService(ICharSizeService, this._charSizeService);
 
     this._compositionView = document.createElement('div');
     this._compositionView.classList.add('composition-view');
@@ -601,12 +602,15 @@ export class Terminal extends Disposable implements ITerminal, IDisposable, IInp
     this._colorManager.setTheme(this._theme);
 
     const renderer = this._createRenderer();
-    this._renderService = new RenderService(renderer, this.rows, this.screenElement, this.optionsService, this._charSizeService);
+    this._renderService = this._instantiationService.createInstance(RenderService, renderer, this.rows, this.screenElement);
+    this._instantiationService.setService(IRenderService, this._renderService);
     this._renderService.onRender(e => this._onRender.fire(e));
     this.onResize(e => this._renderService.resize(e.cols, e.rows));
 
-    this._soundService = new SoundService(this.optionsService);
-    this._mouseService = new MouseService(this._renderService, this._charSizeService);
+    this._soundService = this._instantiationService.createInstance(SoundService);
+    this._instantiationService.setService(ISoundService, this._soundService);
+    this._mouseService = this._instantiationService.createInstance(MouseService);
+    this._instantiationService.setService(IMouseService, this._mouseService);
 
     this.viewport = new Viewport(
       (amount: number, suppressEvent: boolean) => this.scrollLines(amount, suppressEvent),
@@ -625,11 +629,11 @@ export class Terminal extends Disposable implements ITerminal, IDisposable, IInp
     this.register(this.onFocus(() => this._renderService.onFocus()));
     this.register(this._renderService.onDimensionsChange(() => this.viewport.syncScrollArea()));
 
-    this._selectionService = new SelectionService(
+    this._selectionService = this._instantiationService.createInstance(SelectionService,
       (amount: number, suppressEvent: boolean) => this.scrollLines(amount, suppressEvent),
-      this.element, this.screenElement, this._charSizeService, this._bufferService, this._coreService,
-      this._mouseService, this.optionsService
-    );
+      this.element,
+      this.screenElement);
+    this._instantiationService.setService(ISelectionService, this._selectionService);
     this.register(this._selectionService.onSelectionChange(() => this._onSelectionChange.fire()));
     this.register(addDisposableDomListener(this.element, 'mousedown', (e: MouseEvent) => this._selectionService.onMouseDown(e)));
     this.register(this._selectionService.onRedrawRequest(e => this._renderService.onSelectionChanged(e.start, e.end, e.columnSelectMode)));
diff --git a/src/browser/TestUtils.test.ts b/src/browser/TestUtils.test.ts
index d89dc391c..70624e486 100644
--- a/src/browser/TestUtils.test.ts
+++ b/src/browser/TestUtils.test.ts
@@ -7,6 +7,7 @@ import { IEvent, EventEmitter } from 'common/EventEmitter';
 import { ICharSizeService, IMouseService } from 'browser/services/Services';
 
 export class MockCharSizeService implements ICharSizeService {
+  _serviceBrand: any;
   get hasValidSize(): boolean { return this.width > 0 && this.height > 0; }
   onCharSizeChange: IEvent<void> = new EventEmitter<void>().event;
   constructor(public width: number, public height: number) {}
@@ -14,6 +15,7 @@ export class MockCharSizeService implements ICharSizeService {
 }
 
 export class MockMouseService implements IMouseService {
+  _serviceBrand: any;
   public getCoords(event: {clientX: number, clientY: number}, element: HTMLElement, colCount: number, rowCount: number, isSelection?: boolean): [number, number] | undefined {
     throw new Error('Not implemented');
   }
diff --git a/src/browser/services/CharSizeService.ts b/src/browser/services/CharSizeService.ts
index 42920bfa3..6f381c69a 100644
--- a/src/browser/services/CharSizeService.ts
+++ b/src/browser/services/CharSizeService.ts
@@ -8,6 +8,8 @@ import { IEvent, EventEmitter } from 'common/EventEmitter';
 import { ICharSizeService } from 'browser/services/Services';
 
 export class CharSizeService implements ICharSizeService {
+  _serviceBrand: any;
+
   public width: number = 0;
   public height: number = 0;
   private _measureStrategy: IMeasureStrategy;
@@ -18,9 +20,9 @@ export class CharSizeService implements ICharSizeService {
   public get onCharSizeChange(): IEvent<void> { return this._onCharSizeChange.event; }
 
   constructor(
-    document: Document,
-    parentElement: HTMLElement,
-    private _optionsService: IOptionsService
+    readonly document: Document,
+    readonly parentElement: HTMLElement,
+    @IOptionsService private readonly _optionsService: IOptionsService
   ) {
     this._measureStrategy = new DomMeasureStrategy(document, parentElement, this._optionsService);
   }
diff --git a/src/browser/services/MouseService.ts b/src/browser/services/MouseService.ts
index 76968698b..306cde597 100644
--- a/src/browser/services/MouseService.ts
+++ b/src/browser/services/MouseService.ts
@@ -7,9 +7,11 @@ import { ICharSizeService, IRenderService, IMouseService } from './Services';
 import { getCoords, getRawByteCoords } from 'browser/input/Mouse';
 
 export class MouseService implements IMouseService {
+  _serviceBrand: any;
+
   constructor(
-    private readonly _renderService: IRenderService,
-    private readonly _charSizeService: ICharSizeService
+    @IRenderService private readonly _renderService: IRenderService,
+    @ICharSizeService private readonly _charSizeService: ICharSizeService
   ) {
   }
 
diff --git a/src/browser/services/RenderService.ts b/src/browser/services/RenderService.ts
index b41f1ebce..72ce77a8e 100644
--- a/src/browser/services/RenderService.ts
+++ b/src/browser/services/RenderService.ts
@@ -14,6 +14,8 @@ import { IOptionsService } from 'common/services/Services';
 import { ICharSizeService, IRenderService } from 'browser/services/Services';
 
 export class RenderService extends Disposable implements IRenderService {
+  _serviceBrand: any;
+
   private _renderDebouncer: RenderDebouncer;
   private _screenDprMonitor: ScreenDprMonitor;
 
@@ -34,9 +36,9 @@ export class RenderService extends Disposable implements IRenderService {
   constructor(
     private _renderer: IRenderer,
     private _rowCount: number,
-    screenElement: HTMLElement,
-    optionsService: IOptionsService,
-    charSizeService: ICharSizeService
+    readonly screenElement: HTMLElement,
+    @IOptionsService readonly optionsService: IOptionsService,
+    @ICharSizeService readonly charSizeService: ICharSizeService
   ) {
     super();
     this._renderDebouncer = new RenderDebouncer((start, end) => this._renderRows(start, end));
diff --git a/src/browser/services/SelectionService.ts b/src/browser/services/SelectionService.ts
index 6a9498a14..dd7fe48ea 100644
--- a/src/browser/services/SelectionService.ts
+++ b/src/browser/services/SelectionService.ts
@@ -67,6 +67,8 @@ export const enum SelectionMode {
  * when the selection is ready to be redrawn (on an animation frame).
  */
 export class SelectionService implements ISelectionService {
+  _serviceBrand: any;
+
   protected _model: SelectionModel;
 
   /**
@@ -114,11 +116,11 @@ export class SelectionService implements ISelectionService {
     private readonly _scrollLines: (amount: number, suppressEvent: boolean) => void,
     private readonly _element: HTMLElement,
     private readonly _screenElement: HTMLElement,
-    private readonly _charSizeService: ICharSizeService,
-    private readonly _bufferService: IBufferService,
-    private readonly _coreService: ICoreService,
-    private readonly _mouseService: IMouseService,
-    private readonly _optionsService: IOptionsService
+    @ICharSizeService private readonly _charSizeService: ICharSizeService,
+    @IBufferService private readonly _bufferService: IBufferService,
+    @ICoreService private readonly _coreService: ICoreService,
+    @IMouseService private readonly _mouseService: IMouseService,
+    @IOptionsService private readonly _optionsService: IOptionsService
   ) {
     // Init listeners
     this._mouseMoveListener = event => this._onMouseMove(<MouseEvent>event);
diff --git a/src/browser/services/Services.d.ts b/src/browser/services/Services.ts
similarity index 82%
rename from src/browser/services/Services.d.ts
rename to src/browser/services/Services.ts
index 603d4109f..8c626e18b 100644
--- a/src/browser/services/Services.d.ts
+++ b/src/browser/services/Services.ts
@@ -7,8 +7,12 @@ import { IEvent } from 'common/EventEmitter';
 import { IRenderDimensions, IRenderer, CharacterJoinerHandler } from 'browser/renderer/Types';
 import { IColorSet } from 'browser/Types';
 import { ISelectionRedrawRequestEvent } from 'browser/selection/Types';
+import { createDecorator } from 'common/services/ServiceRegistry';
 
+export const ICharSizeService = createDecorator<ICharSizeService>('CharSizeService');
 export interface ICharSizeService {
+  _serviceBrand: any;
+
   readonly width: number;
   readonly height: number;
   readonly hasValidSize: boolean;
@@ -18,12 +22,18 @@ export interface ICharSizeService {
   measure(): void;
 }
 
+export const IMouseService = createDecorator<IMouseService>('MouseService');
 export interface IMouseService {
+  _serviceBrand: any;
+
   getCoords(event: {clientX: number, clientY: number}, element: HTMLElement, colCount: number, rowCount: number, isSelection?: boolean): [number, number] | undefined;
   getRawByteCoords(event: MouseEvent, element: HTMLElement, colCount: number, rowCount: number): { x: number, y: number } | undefined;
 }
 
+export const IRenderService = createDecorator<IRenderService>('RenderService');
 export interface IRenderService {
+  _serviceBrand: any;
+
   onDimensionsChange: IEvent<IRenderDimensions>;
   onRender: IEvent<{ start: number, end: number }>;
   onRefreshRequest: IEvent<{ start: number, end: number }>;
@@ -48,7 +58,10 @@ export interface IRenderService {
   deregisterCharacterJoiner(joinerId: number): boolean;
 }
 
+export const ISelectionService = createDecorator<ISelectionService>('SelectionService');
 export interface ISelectionService {
+  _serviceBrand: any;
+
   readonly selectionText: string;
   readonly hasSelection: boolean;
   readonly selectionStart: [number, number] | undefined;
@@ -73,6 +86,9 @@ export interface ISelectionService {
   onMouseDown(event: MouseEvent): void;
 }
 
+export const ISoundService = createDecorator<ISoundService>('SoundService');
 export interface ISoundService {
+  _serviceBrand: any;
+
   playBellSound(): void;
 }
diff --git a/src/browser/services/SoundService.ts b/src/browser/services/SoundService.ts
index 31380031d..89353f454 100644
--- a/src/browser/services/SoundService.ts
+++ b/src/browser/services/SoundService.ts
@@ -7,6 +7,8 @@ import { IOptionsService } from 'common/services/Services';
 import { ISoundService } from 'browser/services/Services';
 
 export class SoundService implements ISoundService {
+  _serviceBrand: any;
+
   private static _audioContext: AudioContext;
 
   static get audioContext(): AudioContext | null {
@@ -22,7 +24,7 @@ export class SoundService implements ISoundService {
   }
 
   constructor(
-    private _optionsService: IOptionsService
+    @IOptionsService private _optionsService: IOptionsService
   ) {
   }